C#数据库绑定

.Net对数据库的绑定

 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Data;
 using System.Drawing;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Forms;
 using System.Data.OracleClient;
 using System.Data.OleDb;

 namespace WindowsFormsApplication2
 {
     public partial class Form1 : Form
     {
         public Form1()
         {
             InitializeComponent();
         }

         private void BuildColor()
         {
             for (int i = ; i < this.dataGridView1.Rows.Count; i++)
             {
                 if (this.dataGridView1[, i] != null && this.dataGridView1[, i].Value != null)
                 {
                     // 根据条件设置不同的颜色
                     if (this.dataGridView1[, i].Value.ToString() == "")
                         this.dataGridView1[, i].Style.BackColor = Color.Blue;
                     else if (this.dataGridView1[, i].Value.ToString() == "")
                         this.dataGridView1[, i].Style.BackColor = Color.Yellow;
                 }
             }
         }

         private void btnGetData_Click(object sender, EventArgs e)
         {
             using (OracleConnection conn =
             new OracleConnection("data source=10.21.144.152/JXWSQZJ;User Id=qzj_bak;Password=qzj_bak;"))
             {
                 OracleCommand cmd = conn.CreateCommand();
                 cmd.CommandText = "select *  from TB_YL_MZ_MEDICAL_RECORD where rownum<100";
                 conn.Open();

                 OracleDataReader odr = cmd.ExecuteReader();
                 OracleDataAdapter sda = new OracleDataAdapter(cmd);
                 DataSet ds = new DataSet();
                 sda.Fill(ds, "TB_YL_MZ_MEDICAL_RECORD");
                 dataGridView1.DataSource = ds;
                 dataGridView1.DataMember = "TB_YL_MZ_MEDICAL_RECORD";   //上面两句等价于 dataGridView1.DataSource = ds.Tables["TB_YL_MZ_MEDICAL_RECORD"]
                 dataGridView1.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.AllCells;
                 dataGridView1.Columns[].HeaderText = "测试";
                 foreach (DataGridViewColumn col in dataGridView1.Columns)
                 {
                     if (col.Name == "KH")
                     { col.HeaderText = "aaaa"; }
                 }
                 this.BuildColor();
             }
         }

         private void Form1_Load(object sender, EventArgs e)
         {
             // TODO: 这行代码将数据加载到表“yygl_jxDataSet.CLGL_Import”中。您可以根据需要移动或删除它。
             //dataGridView1.Dock = DockStyle.Fill;
             //dataGridView1.DataSource = System.Drawing.Imaging.ImageCodecInfo.GetImageDecoders();
         }

         private void cLGLImportBindingSource_CurrentChanged(object sender, EventArgs e)
         {

         }

         private void dataGridView1_RowPostPaint(object sender, DataGridViewRowPostPaintEventArgs e)
         {
             System.Drawing.Rectangle rectangle = new System.Drawing.Rectangle(e.RowBounds.Location.X,
         e.RowBounds.Location.Y,
         dataGridView1.RowHeadersWidth - ,
         e.RowBounds.Height);

             TextRenderer.DrawText(e.Graphics, (e.RowIndex + ).ToString(),
                 dataGridView1.RowHeadersDefaultCellStyle.Font,
                 rectangle,
                 dataGridView1.RowHeadersDefaultCellStyle.ForeColor,
                 TextFormatFlags.VerticalCenter | TextFormatFlags.Right);
         }

         private void dataGridView1_DataBindingComplete(object sender, DataGridViewBindingCompleteEventArgs e)
         {
             for (int i = ; i < this.dataGridView1.Rows.Count; i++)
             {
                 if (i %  == )
                 {
                     this.dataGridView1.Rows[i].DefaultCellStyle.BackColor = Color.LightGreen;
                     //this.dataGridView1.Rows[i].DefaultCellStyle.Font = Font.;
                 }
                 else
                 {
                     this.dataGridView1.Rows[i].DefaultCellStyle.BackColor = Color.LightBlue;
                     //this.dataGridView1.Rows[i].DefaultCellStyle.Font = this.splitContainer1.Font;
                 }
             }
         }
     }
 }