WPF DataGrid 数据绑定、样式、分页、增删改查，连接Access数据库
先上效果图：
XAML：
<UserControl
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:local="clr-namespace:WpfAppFirst"
xmlns:dxg="http://schemas.devexpress.com/winfx/2008/xaml/grid" xmlns:dxprg="http://schemas.devexpress.com/winfx/2008/xaml/propertygrid" xmlns:dxe="http://schemas.devexpress.com/winfx/2008/xaml/editors" x:Class="WpfAppFirst.CheckList"
mc:Ignorable="d"
d:DesignHeight="300" d:DesignWidth="1000">
<Grid> <!--#region 网线-->
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*"/>
<ColumnDefinition Width="3*"/>
<ColumnDefinition Width="3*"/>
<ColumnDefinition Width="3*"/>
<ColumnDefinition Width="3*"/>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions> <Grid.RowDefinitions>
<RowDefinition Height="40*"/>
<RowDefinition Height="60*"/>
<RowDefinition Height="140*"/>
<RowDefinition Height="60*"/>
</Grid.RowDefinitions>
<!--#endregion--> <!--#region 标题-->
<Border Grid.Column="1" Grid.Row="0" Grid.ColumnSpan="4" Grid.RowSpan="1">
<Label Content="核查单位管理" Foreground="#000" FontSize="24" VerticalContentAlignment="Center" HorizontalContentAlignment="Center"></Label>
</Border>
<!--#endregion--> <!--#region 单位名称-->
<Label Content="单位名称" Grid.Column="1" Grid.Row="1" Grid.ColumnSpan="1" Grid.RowSpan="1" VerticalContentAlignment="Center" FontSize="18"></Label>
<TextBox x:Name="Users_Company" Width="120" Height="30" Grid.Column="1" Grid.Row="1" Grid.ColumnSpan="1" Grid.RowSpan="1" VerticalAlignment="Center" HorizontalAlignment="Right" Margin="0,0,10,0"></TextBox>
<!--#endregion--> <!--#region 负责人-->
<Label Content="负责人" Grid.Column="2" Grid.Row="1" Grid.ColumnSpan="1" Grid.RowSpan="1" VerticalContentAlignment="Center" FontSize="18"></Label>
<TextBox x:Name="Users_Name" Width="120" Height="30" Grid.Column="2" Grid.Row="1" Grid.ColumnSpan="1" Grid.RowSpan="1" VerticalAlignment="Center" HorizontalAlignment="Right" Margin="0,0,10,0"></TextBox>
<!--#endregion--> <!--#region 状态-->
<Label Content="状态" Grid.Column="3" Grid.Row="1" Grid.ColumnSpan="1" Grid.RowSpan="1" VerticalContentAlignment="Center" Padding="50,0,0,0" FontSize="18"></Label>
<ComboBox x:Name="Users_IsDelete" Width="80" Height="30" Grid.Column="3" Grid.Row="1" Grid.ColumnSpan="1" Grid.RowSpan="1" VerticalAlignment="Center" HorizontalAlignment="Right" Margin="0,0,10,0">
<ComboBoxItem IsSelected="True">全部</ComboBoxItem>
<ComboBoxItem>有效</ComboBoxItem>
<ComboBoxItem>无效</ComboBoxItem>
</ComboBox>
<!--#endregion--> <!--#region 查询 添加-->
<Border Grid.Column="4" Grid.Row="1" Grid.ColumnSpan="1" Grid.RowSpan="1" Background="#2862AD" Height="30" Width="65" CornerRadius="2,2,2,2" HorizontalAlignment="Left" MouseLeftButtonDown="Border_MouseLeftButtonDown" Cursor="Hand">
<Label Content="查询" FontSize="18" Foreground="#fff" VerticalContentAlignment="Center" HorizontalContentAlignment="Center"></Label>
</Border>
<Border Grid.Column="4" Grid.Row="1" Grid.ColumnSpan="1" Grid.RowSpan="1" Background="#2862AD" Height="30" Width="65" CornerRadius="2,2,2,2" HorizontalAlignment="Right" MouseLeftButtonDown="Border_MouseLeftButtonDown_1" Cursor="Hand">
<Label Content="添加" FontSize="18" Foreground="#fff" VerticalContentAlignment="Center" HorizontalContentAlignment="Center"></Label>
</Border>
<!--<Border Grid.Column="4" Grid.Row="1" Grid.ColumnSpan="1" Grid.RowSpan="1" Background="Red" ></Border>-->
<!--#endregion--> <!--#region 表格-->
<DataGrid x:Name="dataGrid1" Grid.Column="1" Grid.Row="2" Grid.ColumnSpan="4" CanUserAddRows="False" AutoGenerateColumns="False" SelectionUnit="FullRow" ColumnHeaderHeight="40" Background="Transparent" SelectionMode="Single"> <!--数据网格的样式属性-->
<DataGrid.Style>
<!--DataGrid样式-->
<Style TargetType="DataGrid">
<!--设置HeadersVisibility：头部可见性，Column-->
<Setter Property="HeadersVisibility" Value="Column"/>
<!--水平网格线刷能见度-->
<Setter Property="HorizontalGridLinesBrush">
<Setter.Value>
<SolidColorBrush Color="#333" Opacity="0.2"/>
</Setter.Value>
</Setter> <!--垂直网格线刷-->
<Setter Property="VerticalGridLinesBrush">
<Setter.Value>
<SolidColorBrush Color="#333" Opacity="0.2"/>
<!--Transparent-->
</Setter.Value>
</Setter>
</Style>
</DataGrid.Style> <!--数据网格的列标题样式属性-->
<DataGrid.ColumnHeaderStyle>
<!--样式类型：DataGridColumnHeader（数据网格列标题）-->
<Style TargetType="{x:Type DataGridColumnHeader}">
<Setter Property="Background" Value="#E1F1FF"/>
<Setter Property="Foreground" Value="#000"/>
<Setter Property="HorizontalContentAlignment" Value="Center"/>
<!--设置边框笔刷（BorderBrush）-->
<Setter Property="BorderBrush">
<!--值-->
<Setter.Value>
<!--色刷，Opacity：透明度-->
<SolidColorBrush Color="#333" Opacity="0.2"></SolidColorBrush>
</Setter.Value>
</Setter>
</Style>
</DataGrid.ColumnHeaderStyle> <!--DataGrid的Rowstyle属性（数据表格的行样式）-->
<DataGrid.RowStyle>
<!--设置样式，类型：DataGridRow（数据表格行）-->
<Style TargetType="DataGridRow">
<!--设置BorderThickness：边框粗细，value：值0-->
<Setter Property="BorderThickness" Value="0"/>
<!--<Setter Property="Background" Value="Transparent"/>Transparent：透明-->
<!--创建样式触发器-->
<Style.Triggers>
<!--是否是鼠标经过触发-->
<Trigger Property="IsMouseOver" Value="True">
<!--触发：背景颜色-->
<Setter Property="Background">
<!--Color：背景颜色值；Opacity：透明度-->
<Setter.Value>
<SolidColorBrush Color="#E1F1FF" Opacity="1"></SolidColorBrush>
</Setter.Value>
</Setter>
</Trigger>
<!--是否选中时触发-->
<Trigger Property="IsSelected" Value="True">
<!--触发：Foreground（字体颜色）；Value：颜色值：Red-->
<Setter Property="Foreground" Value="Red"/>
</Trigger>
</Style.Triggers>
</Style>
</DataGrid.RowStyle> <!--DataGrid的CellStyle属性（数据表格的单元格样式）-->
<DataGrid.CellStyle >
<!--设置样式，类型：DataGridCell（数据表格的单元格）-->
<Style TargetType="DataGridCell">
<!--设置BorderThickness：边框粗细，value：值0-->
<Setter Property="BorderThickness" Value="0"/>
<!--样式的触发器-->
<Style.Triggers>
<!--是否选中是触发-->
<Trigger Property="IsSelected" Value="True">
<!--触发：背景-->
<Setter Property="Background">
<!--设置触发背景的值-->
<Setter.Value>
<!--Color：颜色，Opacity：透明度-->
<SolidColorBrush Color="AntiqueWhite" Opacity="0.9"/>
</Setter.Value>
</Setter>
<!--设置字体颜色（Foreground）：红色（Red）-->
<Setter Property="Foreground" Value="Red"></Setter>
</Trigger>
</Style.Triggers>
</Style>
</DataGrid.CellStyle> <DataGrid.Columns> <!--用这种的话，单元格不能放多个可点击的控件，这个可以：DataGridTemplateColumn-->
<!--<DataGridTextColumn Header="单位" Width="*" Binding="{Binding Company}" IsReadOnly="True">
<DataGridTextColumn.ElementStyle>
<Style TargetType="TextBlock">
<Setter Property="HorizontalAlignment" Value="Center"></Setter>
<Setter Property="FontSize" Value="14" />
<Setter Property="FontFamily" Value="微软雅黑" />
<Setter Property="Height" Value="40" />
</Style>
</DataGridTextColumn.ElementStyle>
</DataGridTextColumn>--> <!--数据表格模板列;Header:标题，Width：{比例（*），固定值（int）}-->
<DataGridTemplateColumn Header="编号" Width="*">
<!--数据表格模板列的单元格模板属性-->
<DataGridTemplateColumn.CellTemplate>
<!--数据模板-->
<DataTemplate>
<!--堆叠盘-->
<StackPanel VerticalAlignment="Center" HorizontalAlignment="Center">
<TextBlock Text="{Binding Id}"></TextBlock>
</StackPanel>
</DataTemplate>
</DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn> <DataGridTemplateColumn Header="负责人" Width="*">
<DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<StackPanel VerticalAlignment="Center" HorizontalAlignment="Center">
<TextBlock Text="{Binding Name}"></TextBlock>
</StackPanel>
</DataTemplate>
</DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn> <DataGridTemplateColumn Header="单位" Width="*">
<DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<StackPanel VerticalAlignment="Center" HorizontalAlignment="Center">
<TextBlock Text="{Binding Company}"></TextBlock>
</StackPanel>
</DataTemplate>
</DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn> <DataGridTemplateColumn Header="状态" Width="*">
<DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<StackPanel VerticalAlignment="Center" HorizontalAlignment="Center">
<TextBlock Text="{Binding IsDelete}"></TextBlock>
</StackPanel>
</DataTemplate>
</DataGridTemplateColumn.CellTemplate>
</DataGridTemplateColumn> <DataGridTemplateColumn Header="操作" Width="*">
<DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<StackPanel Orientation="Horizontal" HorizontalAlignment="Center" Height="40">
<!--框-->
<Border x:Name="borderEdit" HorizontalAlignment="Center" VerticalAlignment="Center" MouseLeftButtonDown="s_MouseLeftButtonDown">
<Label Content="编辑" FontSize="14" VerticalAlignment="Center" Cursor="Hand"></Label>
</Border> <Border x:Name="borderDelete" HorizontalAlignment="Center" VerticalAlignment="Center" MouseLeftButtonDown="Label_MouseDoubleClick" Cursor="Hand">
<Label Content="删除" FontSize="14" VerticalAlignment="Center"></Label>
</Border> </StackPanel>
</DataTemplate>
</DataGridTemplateColumn.CellTemplate> <!--<DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<Label Content="修改" MouseDoubleClick="s_MouseLeftButtonDown" HorizontalContentAlignment="Center" VerticalContentAlignment="Center"></Label>
</DataTemplate>
</DataGridTemplateColumn.CellTemplate>--> </DataGridTemplateColumn> </DataGrid.Columns> </DataGrid>
<!--#endregion--> <!--#region 总记录数据-->
<Border Grid.Column="1" Grid.Row="3">
<Label x:Name="count" FontSize="16" VerticalContentAlignment="Center" HorizontalContentAlignment="Center"></Label>
</Border>
<!--#endregion--> <!--#region 转到第几页-->
<Border Grid.Column="4" Grid.Row="3">
<Label Content="转到 页" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" Padding="0,0,15,0"></Label>
</Border>
<Border Grid.Column="4" Grid.Row="3">
<TextBox x:Name="Page" Width="30" Height="20" InputMethod.IsInputMethodEnabled="False" PreviewTextInput="Page_PreviewTextInput"></TextBox>
</Border>
<Border Grid.Column="4" Grid.Row="3" VerticalAlignment="Center" HorizontalAlignment="Right">
<Button Content="确定" Width="60" Height="20" VerticalContentAlignment="Center" Click="Button_Click"></Button>
</Border>
<!--#endregion--> <!--#region 上一页-->
<Border Grid.Column="3" Grid.Row="3">
<Image Source="Img\右2.png" Width="20" Height="20" VerticalAlignment="Center" HorizontalAlignment="Left" Cursor="Hand" MouseUp="Image_MouseUp"></Image>
</Border>
<Border Grid.Column="3" Grid.Row="3">
<Image Source="Img\右1.png" Width="20" Height="20" VerticalAlignment="Center" HorizontalAlignment="Left" Margin="20,0,0,0" Cursor="Hand" MouseUp="Image_MouseUp_1"></Image>
</Border>
<!--#endregion--> <!--#region 页数-->
<Border Grid.Column="3" Grid.Row="3">
<Label x:Name="CurrentPage" Content="1" Foreground="Red" FontSize="12" Width="30" Height="30" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" Margin="0,0,100,0" Cursor="Hand"></Label>
</Border>
<Border Grid.Column="3" Grid.Row="3">
<Label x:Name="CurrentPage2" Content="1" FontSize="12" Width="30" Height="30" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" Margin="0,0,70,0" Cursor="Hand"></Label>
</Border>
<Border Grid.Column="3" Grid.Row="3">
<Label x:Name="CurrentPage3" Content="1" FontSize="12" Width="30" Height="30" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" Margin="0,0,40,0" Cursor="Hand"></Label>
</Border> <Border Grid.Column="3" Grid.Row="3">
<Label Content="...." FontSize="12" Width="20" Height="30" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" Cursor="Hand"></Label>
</Border>
<Border Grid.Column="3" Grid.Row="3">
<Label x:Name="MaxPage" FontSize="12" Width="30" Height="30" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" Margin="50,0,0,0" Cursor="Hand"></Label>
</Border>
<!--#endregion--> <!--#region 下一页-->
<Border Grid.Column="3" Grid.Row="3">
<Image Source="Img\左1.png" Width="20" Height="20" VerticalAlignment="Center" HorizontalAlignment="Right" Margin="0,0,20,0" Cursor="Hand" MouseUp="Image_MouseUp_3"></Image>
</Border>
<Border Grid.Column="3" Grid.Row="3">
<Image Source="Img\左2.png" Width="20" Height="20" VerticalAlignment="Center" HorizontalAlignment="Right" Cursor="Hand" MouseUp="Image_MouseUp_2"></Image>
</Border>
<!--#endregion--> </Grid>
</UserControl>
后台隐藏代码：
using ExerciseModel;
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.OleDb;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes; namespace WpfAppFirst
{
/// <summary>
/// CheckList.xaml 的交互逻辑
/// </summary>
public partial class CheckList : UserControl
{
/// <summary>
/// 当前页数
/// </summary>
private int Currentpage = ;
/// <summary>
/// 每页数据行
/// </summary>
private int pageRecord = ; /// <summary>
/// 构造函数
/// </summary>
public CheckList()
{
InitializeComponent();
this.count.Content = "共" + conns().Count() + "条数据";
SetCurrentPage(Currentpage.ToString());
this.MaxPage.Content = MaxPaging();
this.Page.Text = Currentpage.ToString();
} #region 连接数据库
OleDbConnection conn = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=D:\\用户目录\\我的文档\\Access\\Organization.mdb"); //Jet OLEDB:Database Password=
#endregion #region 事件 /// <summary>
/// 修改
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void s_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
GetSelectedRow();
UpdateUser uu = new WpfAppFirst.UpdateUser();
uu.Ids.Content = SubRowsId().Id;
uu.ShowDialog();
Paging(pageRecord, Currentpage);
//UpdateUser(SubRowsId().Name, SubRowsId().Company, SubRowsId().IsDelete, SubRowsId().Id);
} /// <summary>
/// 点击删除
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Label_MouseDoubleClick(object sender, MouseButtonEventArgs e)
{
MessageBoxResult result = MessageBox.Show("请确认删除此条数据？", "", MessageBoxButton.YesNo);
if (result == MessageBoxResult.Yes)
{
DeleteUser(SubRowsId().Id);
Paging(pageRecord, Currentpage);
this.MaxPage.Content = MaxPaging();
this.Page.Text = MaxPaging().ToString();
this.count.Content = conns().Count();
}
} /// <summary>
/// 条件查询
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Border_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
SeleteWhere(GetName(), GetCompany(), GetIsDelete());
} /// <summary>
/// 添加
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Border_MouseLeftButtonDown_1(object sender, MouseButtonEventArgs e)
{
AddUser(GetName(), GetCompany(), GetIsDelete());
int max = Convert.ToInt32(MaxPaging());
Paging(pageRecord, max);
Currentpage = max;
this.MaxPage.Content = MaxPaging();
this.Page.Text = MaxPaging().ToString();
this.count.Content = conns().Count();
} /// <summary>
/// 跳转页数
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Button_Click(object sender, RoutedEventArgs e)
{
var page = this.Page.Text;
var maxpage = MaxPaging();
if (Convert.ToDouble(page) > maxpage)
{
Paging(pageRecord, Convert.ToInt32(maxpage));
SetCurrentPage(maxpage.ToString());
Currentpage = Convert.ToInt32(maxpage);
Setpage(maxpage.ToString());
}
if (Convert.ToDouble(page) < )
{
Paging(pageRecord, );
SetCurrentPage("");
Currentpage = ;
Setpage("");
}
else if (Convert.ToDouble(page) <= maxpage && Convert.ToDouble(page) > )
{
Paging(pageRecord, Convert.ToInt32(page));
SetCurrentPage(page);
Currentpage = Convert.ToInt32(page);
Setpage(page);
}
} /// <summary>
/// 利用正则表达式禁用英文的写入
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Page_PreviewTextInput(object sender, TextCompositionEventArgs e)
{
Regex re = new Regex("[^0-9.-]+");
e.Handled = re.IsMatch(e.Text);
} /// <summary>
/// 第一页
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Image_MouseUp(object sender, MouseButtonEventArgs e)
{
if (Currentpage != )
{
Setpage("");
SetCurrentPage("");
Paging(pageRecord, );
Currentpage = ;
}
} /// <summary>
/// 上一页
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Image_MouseUp_1(object sender, MouseButtonEventArgs e)
{
if (Currentpage != )
{
Setpage((Currentpage - ).ToString());
SetCurrentPage((Currentpage - ).ToString());
Paging(pageRecord, --Currentpage);
}
} /// <summary>
/// 最后一页
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Image_MouseUp_2(object sender, MouseButtonEventArgs e)
{
double MaxPage = MaxPaging();
if (Currentpage != MaxPage)
{
Setpage(MaxPage.ToString());
SetCurrentPage(MaxPage.ToString());
Paging(pageRecord, (int)MaxPage);
Currentpage = (int)MaxPage;
}
} /// <summary>
/// 下一页
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Image_MouseUp_3(object sender, MouseButtonEventArgs e)
{
double MaxPage = MaxPaging();
if (Currentpage != MaxPage)
{
Setpage((Currentpage + ).ToString());
SetCurrentPage((Currentpage + ).ToString());
Paging(pageRecord, ++Currentpage);
}
} #endregion #region 方法 private DataRowView GetSelectedRow()
{ /*优化
* 无论 DataGrid的SelectionUnit跟SelectionMode两个属性取任何值
* 都存在选中的单元格
* 可以根据选中的单元格做统一处理，获取选中的行
* GetSelectedRows()方法获取选中多行原理相同
*/ if (dataGrid1 != null && dataGrid1.SelectedCells.Count != )
{
//只选中一个单元格时：返回单元格所在行
//选中多个时：返回第一个单元格所在行
return dataGrid1.SelectedCells[].Item as DataRowView;
} return null;
} #region 连接开关
public void ConnOpen()
{
if (conn.State == System.Data.ConnectionState.Closed)
{
conn.Open();
}
}
public void ConnClose()
{
if (conn.State == System.Data.ConnectionState.Open)
{
conn.Close();
}
}
#endregion #region 设置当前页
/// <summary>
/// 设置当前页
/// </summary>
/// <param name="page">当前页数</param>
public void SetCurrentPage(string page)
{
this.CurrentPage.Content = page;
int max = Convert.ToInt32(MaxPaging());
if (Convert.ToInt32(page) <= max - )
{
this.CurrentPage2.Content = Convert.ToInt32(page) + ;
}
else
{
this.CurrentPage2.Content = "";
}
if (Convert.ToInt32(page) <= max - )
{
this.CurrentPage3.Content = Convert.ToInt32(page) + ;
}
else
{
this.CurrentPage3.Content = "";
}
}
/// <summary>
/// 设置文本框中的当前数值
/// </summary>
/// <param name="page"></param>
public void Setpage(string page)
{
this.Page.Text = page;
}
#endregion #region 最大页
/// <summary>
/// 获取最大页
/// </summary>
/// <returns></returns>
public double MaxPaging()
{
double count = conns().Count();
return Math.Ceiling(count / pageRecord);
}
#endregion #region 获取选中行的原始值
/// <summary>
/// 获取选中行的原始值
/// </summary>
/// <param name="rowindex"></param>
private Users1 SubRowsId()
{
return (Users1)dataGrid1.SelectedItem;
}
#endregion #region 获取文本
/// <summary>
/// 获取负责人
/// </summary>
public string GetName()
{
return this.Users_Name.Text;
} /// <summary>
/// 获取负责人单位
/// </summary>
/// <returns></returns>
public string GetCompany()
{
return this.Users_Company.Text;
} /// <summary>
/// 获取状态值
/// </summary>
/// <returns></returns>
public bool? GetIsDelete()
{
var bl = this.Users_IsDelete.Text.ToString();
if (bl == "全部")
{
return null;
}
else if (bl == "有效")
{
return true;
}
else
{
return false;
}
}
#endregion #region 查询全部数据
/// <summary>
/// 查询全部数据
/// </summary>
public List<Users1> conns()
{
OleDbCommand cmd = conn.CreateCommand();
cmd.CommandText = "select * from Users";
ConnOpen();
OleDbDataReader dr = cmd.ExecuteReader();
DataTable dt = new DataTable();
if (dr.HasRows)
{
for (int i = ; i < dr.FieldCount; i++)
{
dt.Columns.Add(dr.GetName(i));
}
dt.Rows.Clear();
}
while (dr.Read())
{
DataRow row = dt.NewRow();
for (int i = ; i < dr.FieldCount; i++)
{
row[i] = dr[i];
}
dt.Rows.Add(row);
}
cmd.Dispose();
ConnClose(); List<Users1> lus1 = new List<Users1>();
for (int i = ; i < dt.Rows.Count; i++)
{
lus1.Add(new Users1 { Id = Convert.ToInt32(dt.Rows[i][]), Name = dt.Rows[i][].ToString(), Company = dt.Rows[i][].ToString(), IsDelete = Convert.ToBoolean(dt.Rows[i][]) });
}
return lus1;
//this.dataGrid1.ItemsSource = lus1;
}
#endregion #region 分页
/// <summary>
///
/// </summary>
/// <param name="pageSize">页大小</param>
/// <param name="currentPage">当前页数</param>
/// <param name="totalCount">总页数</param>
public void Paging(int pageSize, int currentPage)
{
//pageSize 每页显示多少条数据
//pageNumber 页数 从客户端传来
//pages = pageSize * (currentPage - 1) + 1
int pages = pageSize * (currentPage - ) + ;
string sql = string.Format("select top {0} * from Users where id>=(select max(id) from (select top {1} id from Users order by id asc ) t )", pageSize, pages);
OleDbCommand cmd = conn.CreateCommand();
cmd.CommandText = sql;
ConnOpen();
OleDbDataReader dr = cmd.ExecuteReader();
DataTable dt = new DataTable();
if (dr.HasRows)
{
for (int i = ; i < dr.FieldCount; i++)
{
dt.Columns.Add(dr.GetName(i));
}
dt.Rows.Clear();
}
while (dr.Read())
{
DataRow row = dt.NewRow();
for (int i = ; i < dr.FieldCount; i++)
{
row[i] = dr[i];
}
dt.Rows.Add(row);
}
cmd.Dispose();
ConnClose(); List<Users1> lus1 = new List<Users1>();
for (int i = ; i < dt.Rows.Count; i++)
{
lus1.Add(new Users1 { Id = Convert.ToInt32(dt.Rows[i][]), Name = dt.Rows[i][].ToString(), Company = dt.Rows[i][].ToString(), IsDelete = Convert.ToBoolean(dt.Rows[i][]) });
}
this.dataGrid1.ItemsSource = lus1;
}
#endregion #region 条件查询
private void SeleteWhere(string Name, string Company, bool? IsDelete)
{
OleDbCommand cmd = conn.CreateCommand();
string sql1 = string.Format("select * from Users where Name='{0}' or Company='{1}' and IsDelete={2}", Name, Company, IsDelete);
string sql2 = string.Format("select * from Users where Name='{0}' or Company='{1}'", Name, Company);
if (IsDelete != null) { cmd.CommandText = sql1; } else { cmd.CommandText = sql2; }
ConnOpen();
OleDbDataReader dr = cmd.ExecuteReader();
DataTable dt = new DataTable();
if (dr.HasRows)
{
for (int i = ; i < dr.FieldCount; i++)
{
dt.Columns.Add(dr.GetName(i));
}
dt.Rows.Clear();
}
while (dr.Read())
{
DataRow row = dt.NewRow();
for (int i = ; i < dr.FieldCount; i++)
{
row[i] = dr[i];
}
dt.Rows.Add(row);
}
cmd.Dispose();
ConnClose(); List<Users1> lus1 = new List<Users1>();
for (int i = ; i < dt.Rows.Count; i++)
{
lus1.Add(new Users1 { Id = Convert.ToInt32(dt.Rows[i][]), Name = dt.Rows[i][].ToString(), Company = dt.Rows[i][].ToString(), IsDelete = Convert.ToBoolean(dt.Rows[i][]) });
}
this.dataGrid1.ItemsSource = lus1;
}
#endregion #region 删除
private void DeleteUser(int Id)
{
try
{
ConnOpen();
string strSql = string.Format("delete from Users where Id={0}", Id);
OleDbCommand cmd = new OleDbCommand(strSql, conn);
int a = cmd.ExecuteNonQuery();
ConnClose();
if (a > )
{
conns();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
#endregion #region 修改
private void UpdateUser(string Name, string Company, bool IsDelete, int Id)
{
try
{
ConnOpen();
string strSql = string.Format("update Users set Name='{0}',Company='{1}',IsDelete={2} where Id={3}", Name, Company, IsDelete, Id);
OleDbCommand cmd = new OleDbCommand(strSql, conn);
int a = cmd.ExecuteNonQuery();
ConnClose();
if (a > )
{
conns();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
} //一个单元格结束编辑后
//private void dataGrid1_CellEditEnding(object sender, DataGridCellEditEndingEventArgs e)
//{
// MessageBox.Show("123123");
//} //一行结束编辑后
//private void dataGrid1_RowEditEnding(object sender, DataGridRowEditEndingEventArgs e)
//{
// MessageBox.Show("345345");
//}
#endregion #region 添加
public void AddUser(string Name, string Company, bool? IsDelete)
{
try
{
ConnOpen();
//如果为空,默认设置为有效(未删除)
if (IsDelete == null) IsDelete = false;
string strSql = string.Format("insert into Users(Name,Company,IsDelete) values('{0}','{1}',{2})", Name, Company, IsDelete);
OleDbCommand cmd = new OleDbCommand(strSql, conn);
int a = cmd.ExecuteNonQuery();
ConnClose();
if (a > )
{
conns();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
} #endregion #region gridcontrol设置
public void set()
{
//dataGrid1.OptionsView.ShowGroupPanel = false; //dataGrid1.Columns[0].AppearanceHeader.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
//dataGrid1.Columns[0].AppearanceCell.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
}
#endregion #endregion }
}
Users1类：
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks; namespace ExerciseModel
{
public class Users1 : INotifyPropertyChanged
{
private int id;
private string name;
private string company;
private bool isDelete; public event PropertyChangedEventHandler PropertyChanged;
protected void OnPropertyChanged(string propertyName)
{
if (PropertyChanged != null)
{
PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
}
} public int Id
{
get
{
return id;
} set
{
id = value;
OnPropertyChanged("Id");
}
} public string Name
{
get
{
return name;
} set
{
name = value;
OnPropertyChanged("Name");
}
} public string Company
{
get
{
return company;
} set
{
company = value;
OnPropertyChanged("Company");
}
} public bool IsDelete
{
get
{
return isDelete;
} set
{
isDelete = value;
OnPropertyChanged("IsDelete");
}
}
}
}
点击修改运行的窗体效果图：
这个窗体的XAML：
<Window x:Class="WpfAppFirst.UpdateUser"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:WpfAppFirst"
mc:Ignorable="d"
Title="UpdateUser" Height="327.988" Width="349.854" Loaded="Window_Loaded">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*"/>
<ColumnDefinition Width="*"/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="*"/>
<RowDefinition Height="*"/>
<RowDefinition Height="*"/>
<RowDefinition Height="*"/>
<RowDefinition Height="*"/>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>
<Border Grid.ColumnSpan="2">
<Label Content="修改" Foreground="#000" FontSize="24" VerticalContentAlignment="Center" HorizontalContentAlignment="Center"></Label>
</Border> <Border Grid.Row="1" Grid.ColumnSpan="2">
<Label Content="编号:" FontSize="16" Foreground="#000" VerticalContentAlignment="Center" Padding="50,0,0,0"></Label>
</Border>
<Border Grid.Row="1" Grid.Column="1" Grid.ColumnSpan="2">
<Label x:Name="Ids" FontSize="14" Foreground="#000" VerticalContentAlignment="Center" HorizontalContentAlignment="Center"></Label>
</Border> <Border Grid.Row="2" Grid.ColumnSpan="2">
<Label Content="负责人:" FontSize="16" Foreground="#000" VerticalContentAlignment="Center" Padding="50,0,0,0"></Label>
</Border>
<Border Grid.Row="2" Grid.Column="1" Grid.ColumnSpan="2">
<TextBox x:Name="UName" Background="AliceBlue" Height="30" Width="160"></TextBox>
</Border> <Border Grid.Row="3" Grid.ColumnSpan="2">
<Label Content="负责人单位:" FontSize="16" Foreground="#000" VerticalContentAlignment="Center" Padding="50,0,0,0"></Label>
</Border>
<Border Grid.Row="3" Grid.Column="1" Grid.ColumnSpan="2">
<TextBox x:Name="UCompany" Background="AliceBlue" Height="30" Width="160"></TextBox>
</Border> <Border Grid.Row="4" Grid.ColumnSpan="2">
<Label Content="状态:" FontSize="16" Foreground="#000" VerticalContentAlignment="Center" Padding="50,0,0,0"></Label>
</Border>
<Border Grid.Row="4" Grid.Column="1" Grid.ColumnSpan="2">
<ComboBox x:Name="UIsDelete" Background="AliceBlue" Height="30" Width="160">
<ComboBoxItem IsSelected="True">有效</ComboBoxItem>
<ComboBoxItem>无效</ComboBoxItem>
</ComboBox>
</Border> <Border Grid.Row="5" Grid.ColumnSpan="1">
<Border Background="Aquamarine" CornerRadius="2,2,2,2" Width="100" Height="30" Cursor="Hand" MouseLeftButtonDown="Border_MouseLeftButtonDown">
<Label Content="确定" FontSize="16" Foreground="#000" VerticalContentAlignment="Center" HorizontalContentAlignment="Center"></Label>
</Border>
</Border>
<Border Grid.Row="5" Grid.Column="5" Grid.ColumnSpan="1">
<Border Background="Aquamarine" CornerRadius="2,2,2,2" Width="100" Height="30" Cursor="Hand" MouseLeftButtonDown="Border_MouseLeftButtonDown_1">
<Label Content="取消" FontSize="16" Foreground="#000" VerticalContentAlignment="Center" HorizontalContentAlignment="Center"></Label>
</Border>
</Border> </Grid>
</Window>
然后后台隐藏代码：
using ExerciseModel;
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.OleDb;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes; namespace WpfAppFirst
{
/// <summary>
/// UpdateUser.xaml 的交互逻辑
/// </summary>
public partial class UpdateUser : Window
{
public UpdateUser()
{
InitializeComponent(); } #region 连接开关
OleDbConnection conn = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=D:\\用户目录\\我的文档\\Access\\Organization.mdb"); //Jet OLEDB:Database Password=
public void ConnOpen()
{
if (conn.State == System.Data.ConnectionState.Closed)
{
conn.Open();
}
}
public void ConnClose()
{
if (conn.State == System.Data.ConnectionState.Open)
{
conn.Close();
}
}
#endregion private void UUser(string Name, string Company, bool IsDelete, int Id)
{
try
{
ConnOpen();
string strSql = string.Format("update Users set Name='{0}',Company='{1}',IsDelete={2} where Id={3}", Name, Company, IsDelete, Id);
OleDbCommand cmd = new OleDbCommand(strSql, conn);
int a = cmd.ExecuteNonQuery();
ConnClose();
if (a > )
{
MessageBox.Show("已修改");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
} #region 查询 public DataTable SelectUser(int id)
{
OleDbCommand cmd = conn.CreateCommand();
string sql = string.Format("select * from Users where id={0}", id);
cmd.CommandText = sql;
ConnOpen();
OleDbDataReader dr = cmd.ExecuteReader();
DataTable dt = new DataTable();
if (dr.HasRows)
{
for (int i = ; i < dr.FieldCount; i++)
{
dt.Columns.Add(dr.GetName(i));
}
dt.Rows.Clear();
}
while (dr.Read())
{
DataRow row = dt.NewRow();
for (int i = ; i < dr.FieldCount; i++)
{
row[i] = dr[i];
}
dt.Rows.Add(row);
}
cmd.Dispose();
ConnClose();
return dt;
//List<Users1> lus1 = new List<Users1>();
//for (int i = 0; i < dt.Rows.Count; i++)
//{
// lus1.Add(new Users1 { Id = Convert.ToInt32(dt.Rows[i][0]), Name = dt.Rows[i][1].ToString(), Company = dt.Rows[i][2].ToString(), IsDelete = Convert.ToBoolean(dt.Rows[i][3]) });
//}
}
#endregion /// <summary>
/// 修改
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Border_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
bool bl = false;
if (this.UIsDelete.Text == "有效")
bl = true;
UUser(this.UName.Text, this.UCompany.Text, bl, Convert.ToInt32(this.Ids.Content));
} /// <summary>
/// 取消
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Border_MouseLeftButtonDown_1(object sender, MouseButtonEventArgs e)
{
this.Close();
} private void Window_Loaded(object sender, RoutedEventArgs e)
{
var sour = SelectUser(Convert.ToInt32(this.Ids.Content));
this.UName.Text = sour.Rows[]["Name"].ToString();
this.UCompany.Text = sour.Rows[]["Company"].ToString();
this.UIsDelete.SelectedItem = sour.Rows[]["IsDelete"].ToString();
}
}
}
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