XGrid绑定(转)

1. using System;
2. using System.Collections.Generic;
3. using System.ComponentModel;
4. using System.Windows.Forms;
5. using DevExpress.XtraGrid.Columns;
6. using DevExpress.XtraGrid.Views.Base;
7. using DevExpress.XtraGrid.Views.BandedGrid;
8. using DevExpress.XtraEditors.Repository;
9. namespace XtraGridDemo1
10. {
11. public partial class Form1 : DevExpress.XtraEditors.XtraForm
12. {
13. public Form1()
14. {
15. InitializeComponent();
16. //首先拖到窗体上一个GridControl，在表格上点击“Click here to change view”链接，在弹出菜单中选择“convert to”-->“AdvBandedGridView”。
17. InitGrid();
18. }
19. ///初始化表格
20. private void InitGrid()
21. {
22. // advBandedGridView1是表格上的默认视图，注意这里声明的是：BandedGridView
23. BandedGridView view = advBandedGridView1 as BandedGridView;
24. view.BeginUpdate(); //开始视图的编辑，防止触发其他事件
25. view.BeginDataUpdate(); //开始数据的编辑
26. view.Bands.Clear();
27. //修改附加选项
28. view.OptionsView.ShowColumnHeaders = false; //因为有Band列了，所以把ColumnHeader隐藏
29. view.OptionsView.ShowGroupPanel = false; //如果没必要分组，就把它去掉
30. view.OptionsView.EnableAppearanceEvenRow = false; //是否启用偶数行外观
31. view.OptionsView.EnableAppearanceOddRow = true; //是否启用奇数行外观
32. view.OptionsView.ShowFilterPanelMode = ShowFilterPanelMode.Never; //是否显示过滤面板
33. view.OptionsCustomization.AllowColumnMoving = false; //是否允许移动列
34. view.OptionsCustomization.AllowColumnResizing = false; //是否允许调整列宽
35. view.OptionsCustomization.AllowGroup = false; //是否允许分组
36. view.OptionsCustomization.AllowFilter = false; //是否允许过滤
37. view.OptionsCustomization.AllowSort = true; //是否允许排序
38. view.OptionsSelection.EnableAppearanceFocusedCell = true; //???
39. view.OptionsBehavior.Editable = true; //是否允许用户编辑单元格
40. //添加列标题
41. GridBand bandID = view.Bands.AddBand("ID");
42. bandID.Visible = false; //隐藏ID列
43. GridBand bandName = view.Bands.AddBand("姓名");
44. GridBand bandSex = view.Bands.AddBand("性别");
45. GridBand bandBirth = view.Bands.AddBand("出生日期");
46. GridBand bandScore = view.Bands.AddBand("分数");
47. GridBand bandMath = bandScore.Children.AddBand("数学");
48. GridBand bandChinese = bandScore.Children.AddBand("语文");
49. GridBand bandEnglish = bandScore.Children.AddBand("英语");
50. GridBand bandSubTotal = bandScore.Children.AddBand("小计");
51. GridBand bandRemark = view.Bands.AddBand("备注");
52. //列标题对齐方式
53. bandName.AppearanceHeader.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
54. bandSex.AppearanceHeader.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
55. bandBirth.AppearanceHeader.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
56. bandScore.AppearanceHeader.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
57. bandMath.AppearanceHeader.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
58. bandChinese.AppearanceHeader.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
59. bandEnglish.AppearanceHeader.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
60. bandSubTotal.AppearanceHeader.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
61. bandRemark.AppearanceHeader.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
62. //模拟几个数据
63. List<Record> listDataSource = new List<Record>();
64. listDataSource.Add(new Record(1, "张三","男",Convert.ToDateTime("1989-5-6") ,115.5f,101,96,""));
65. listDataSource.Add(new Record(2, "李四", "女", Convert.ToDateTime("1987-12-23"), 92, 85, 87, ""));
66. listDataSource.Add(new Record(3, "王五", "女", Convert.ToDateTime("1990-2-11"), 88, 69, 41.5f, ""));
67. listDataSource.Add(new Record(4, "赵六", "男", Convert.ToDateTime("1988-9-1"), 119, 108, 110, "备注行"));
68. //绑定数据源并显示
69. gridControl1.DataSource = listDataSource;
70. gridControl1.MainView.PopulateColumns();
71. //[小计]这一列因为没绑定数据源，所以需要手动添加
72. //(有点复杂，慢慢看吧)
73. string[] fieldNames = new string[] { "SubTotal" };
74. GridColumn column; //声明单列
75. column = view.Columns.AddField(fieldNames[0]); //添加一个数据字段
76. column.VisibleIndex = view.Columns.Count -1; //设置该列在编辑视图时的显示位置(倒数第二列)
77. column.UnboundType = DevExpress.Data.UnboundColumnType.Decimal;
78. column.OptionsColumn.AllowEdit = false; //此列不可编辑
79. column.Visible = true;
80. view.Columns.Add(column); //视图中添加一列
81. //绑定事件，当[分数]改变时[小计]也跟着变
82. //(好像只有在绑定事件里才能改变该单元格数值，直接修改无效)
83. view.CustomUnboundColumnData += new
84. DevExpress.XtraGrid.Views.Base.CustomColumnDataEventHandler(advBandedGridView1_CustomUnboundColumnData);
85. //[性别]列绑定ComboBox
86. RepositoryItemComboBox riCombo = new RepositoryItemComboBox();
87. riCombo.Items.AddRange(new string[] {"男", "女"});
88. gridControl1.RepositoryItems.Add(riCombo);
89. view.Columns["Sex"].ColumnEdit = riCombo;
90. //[出生年月]列绑定Date
91. RepositoryItemDateEdit riDate = new RepositoryItemDateEdit();
92. gridControl1.RepositoryItems.Add(riDate);
93. view.Columns["Birth"].ColumnEdit = riDate;
94. //[分数]列绑定SpinEdit
95. RepositoryItemSpinEdit riSpin = new RepositoryItemSpinEdit();
96. gridControl1.RepositoryItems.Add(riSpin);
97. view.Columns["Math"].ColumnEdit = riSpin;
98. view.Columns["Chinese"].ColumnEdit = riSpin;
99. view.Columns["English"].ColumnEdit = riSpin;
100. //[备注]列绑定MemoExEdit
101. RepositoryItemMemoExEdit riMemoEx = new RepositoryItemMemoExEdit();
102. gridControl1.RepositoryItems.Add(riMemoEx);
103. view.Columns["Remark"].ColumnEdit = riMemoEx;
104. //小计列添加汇总
105. view.OptionsView.ShowFooter = true; //显示表格页脚
106. view.Columns["SubTotal"].SummaryItem.FieldName = "SubTotal";
107. view.Columns["SubTotal"].SummaryItem.DisplayFormat = "{0:f2}";
108. view.Columns["SubTotal"].SummaryItem.SummaryType = DevExpress.Data.SummaryItemType.Average;
109. //将标题列和数据列对应
110. view.Columns["ID"].OwnerBand = bandID;
111. view.Columns["Name"].OwnerBand = bandName;
112. view.Columns["Sex"].OwnerBand = bandSex;
113. view.Columns["Birth"].OwnerBand = bandBirth;
114. view.Columns["Math"].OwnerBand = bandMath;
115. view.Columns["Chinese"].OwnerBand = bandChinese;
116. view.Columns["English"].OwnerBand = bandEnglish;
117. view.Columns["SubTotal"].OwnerBand = bandSubTotal;
118. view.Columns["Remark"].OwnerBand = bandRemark;
119. view.EndDataUpdate();//结束数据的编辑
120. view.EndUpdate(); //结束视图的编辑
121. }
122. // 计算小计
123. private float calcSubTotal(float math, float chinese, float english)
124. {
125. return math + chinese + english;
126. }
127. private void advBandedGridView1_CustomUnboundColumnData(object sender, CustomColumnDataEventArgs e)
128. {
129. ColumnView colView = sender as ColumnView;
130. if (e.Column.FieldName == "SubTotal" && e.IsGetData) e.Value = calcSubTotal(
131. Convert.ToSingle(colView.GetRowCellValue(e.RowHandle, colView.Columns["Math"])),
132. Convert.ToSingle(colView.GetRowCellValue(e.RowHandle, colView.Columns["Chinese"])),
133. Convert.ToSingle(colView.GetRowCellValue(e.RowHandle, colView.Columns["English"])));
134. }
135. #region 运行时绑定到实现Ilist接口的数据源
136. public class Record
137. {
138. int id;
139. DateTime birth;
140. string name, sex, remark;
141. float math, chinese, english;
142. public Record(int id, string name, string sex, DateTime birth, float math, float chinese, float english, string remark)
143. {
144. this.id = id;
145. this.name = name;
146. this.sex = sex;
147. this.birth = birth;
148. this.math = math;
149. this.chinese = chinese;
150. this.english = english;
151. this.remark = remark;
152. }
153. public int ID { get { return id; } }
154. public string Name
155. {
156. get { return name; }
157. set { name = value; }
158. }
159. public string Sex
160. {
161. get { return sex; }
162. set { sex = value; }
163. }
164. public DateTime Birth
165. {
166. get { return birth; }
167. set { birth = value; }
168. }
169. public float Math
170. {
171. get { return math; }
172. set { math = value; }
173. }
174. public float Chinese
175. {
176. get { return chinese; }
177. set { chinese = value; }
178. }
179. public float English
180. {
181. get { return english; }
182. set { english = value; }
183. }
184. public string Remark
185. {
186. get { return remark; }
187. set { remark = value; }
188. }
189. }
190. #endregion
191. }
192. }