1、 如何解決單擊記錄整行選中的問題

View->OptionsBehavior->EditorShowMode 設定為：Click

2、 如何新增一條記錄

(1)、gridView.AddNewRow()

(2)、實現 gridView_InitNewRow 事件

3、如何解決 GridControl 記錄能獲取而沒有顯示出來的問題

gridView.populateColumns();

4、如何讓行只能選擇而不能編輯（或編輯某一單元格）

(1)、View->OptionsBehavior->EditorShowMode 設定為：Click

(2)、View->OptionsBehavior->Editable 設定為：false

5、如何禁用 GridControl 中單擊列彈出右鍵選單

設定 Run Design->OptionsMenu->EnableColumnMenu 設定為：false

6、如何隱藏 GridControl 的 GroupPanel 表頭

設定 Run Design->OptionsView->ShowGroupPanel 設定為：false

7、如何禁用 GridControl 中列頭的過濾器 過濾器如下圖所示：

設定 Run Design->OptionsCustomization->AllowFilter 設定為：false

8、如何在查詢得到 0 條記錄時顯示自定義的字元提示/顯示 如圖所示：

方法如下：

//When no Records Are Being Displayed

private void gridView1_CustomDrawEmptyForeground(object sender, CustomDrawEventArgs e)

{

//方法一（此方法為GridView設定了資料來源繫結時，可用）

ColumnView columnView = sender as ColumnView;

BindingSource bindingSource = this.gridView1.DataSource as BindingSource;

if(bindingSource.Count == 0)

{

string str = "沒有查詢到你所想要的資料!";

Font f = new Font("宋體", 10, FontStyle.Bold);

Rectangle r = new Rectangle(e.Bounds.Top + 5, e.Bounds.Left + 5, e.Bounds.Right - 5, e.Bounds.Height - 5);

e.Graphics.DrawString(str, f, Brushes.Black, r); }

//方法二（此方法為GridView沒有設定資料來源繫結時，使用，一般使用此種方 法）

if (this._flag)

{ if (this.gridView1.RowCount == 0)

{ string str = "沒有查詢到你所想要的資料!"; Font f = new Font("宋體", 10, FontStyle.Bold);

Rectangle r = new Rectangle(e.Bounds.Left + 5, e.Bounds.Top + 5, e.Bounds.Width - 5, e.Bounds.Height - 5);

e.Graphics.DrawString(str, f, Brushes.Black, r); } } }

9、如何顯示水平滾動條？或

設定 this.gridView.OptionsView.ColumnAutoWidth = false;

.....列表寬度自適應內容

gridview1.BestFitColumns();

10、如何定位到第一條資料/記錄？

設定 this.gridView.MoveFirst()

11、如何定位到下一條資料/記錄？
設定 this.gridView.MoveNext()

12、如何定位到最後一條資料/記錄？

設定 this.gridView.MoveLast()

13、設定成一次選擇一行，並且不能被編輯

this.gridView1.FocusRectStyle = DevExpress.XtraGrid.Views.Grid.DrawFocusRectStyle.RowFocus;

this.gridView1.OptionsBehavior.Editable = false;

this.gridView1.OptionsSelection.EnableAppearanceFocusedCell = false;

14、如何顯示行號？
private void gvPayList_CustomDrawRowIndicator(object sender, DevExpress.XtraGrid.Views.Grid.RowIndicatorCustomDrawEventArgs e)
{
e.Appearance.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Far;
if (e.Info.IsRowIndicator)
{
if (e.RowHandle >= 0)
{
e.Info.DisplayText = (e.RowHandle + 1).ToString();
}
else if (e.RowHandle < 0 && e.RowHandle > -1000)
{
e.Info.Appearance.BackColor = System.Drawing.Color.AntiqueWhite;
e.Info.DisplayText = "G" + e.RowHandle.ToString();
}
}
}

15、如何讓各列頭禁止移動？

設定 gridView1.OptionsCustomization.AllowColumnMoving = false;

16、如何讓各列頭禁止排序？

設定 gridView1.OptionsCustomization.AllowSort = false;

17、如何禁止各列頭改變列寬？

設定 gridView1.OptionsCustomization.AllowColumnResizing = false;

18.拖動滾動條時固定某一列

設定Columns，選擇要固定的列。設定Fixed屬性，可以選擇：固定在左邊、固定在右邊、不固定。

19.獲取選定行,指定列單元格的內容

return gridView1.GetRowCellValue(pRows[0], ColumName).ToString ();

20.分組顯示

OptionsView>OptionsBehavior>AutoExpandAllGroups = True
選擇要分組的列，將GroupIndex屬性設定為0

21.格式化資料

private void gvList_ValidatingEditor(object sender, DevExpress.XtraEditors.Controls.BaseContainerValidateEditorEventArgs e)
{
if (this.gvList.FocusedColumn.FieldName == "passQty")
{
string passQty = e.Value.ToString().Trim();
int receiveQty = orderDetailList[this.gvList.FocusedRowHandle].qty;
if (!JXType.IsIntBigThanZero(passQty))
{
e.Valid = false;
e.ErrorText = "合格數量必須為大於等於0小於等於接貨數量的整數！";
}
else
{
if (int.Parse(passQty) > receiveQty)
{
e.Valid = false;
e.ErrorText = "合格數量必須為大於0小於等於接貨數量的整數！";
}
}
}

}

22.合併表頭

///初始化表格

using DevExpress.XtraGrid.Columns;
using DevExpress.XtraGrid.Views.Base;
using DevExpress.XtraGrid.Views.BandedGrid;
using DevExpress.XtraEditors.Repository;
private void InitGrid()
{
// advBandedGridView1是表格上的預設檢視，注意這裡宣告的是：BandedGridView
BandedGridView view = advBandedGridView1 as BandedGridView;
view.BeginUpdate(); //開始檢視的編輯，防止觸發其他事件
view.BeginDataUpdate(); //開始資料的編輯
view.Bands.Clear();

view.OptionsView.ShowColumnHeaders = false; //因為有Band列了，所以把ColumnHeader隱藏
//新增列標題
//新增列標題
GridBandbandID=view.Bands.AddBand("ID");
bandID.Visible=false;//隱藏ID列
GridBandbandName=view.Bands.AddBand("姓名");
GridBandbandSex=view.Bands.AddBand("性別");
GridBandbandBirth=view.Bands.AddBand("出生日期");
GridBandbandScore=view.Bands.AddBand("分數");
GridBandbandMath=bandScore.Children.AddBand("數學");
GridBandbandChinese=bandScore.Children.AddBand("語文");
GridBandbandEnglish=bandScore.Children.AddBand("英語");
GridBandbandSubTotal=bandScore.Children.AddBand("小計");
GridBandbandRemark=view.Bands.AddBand("備註");

bandFile.AppearanceHeader.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;//這是合併表頭居中顯示
view.EndDataUpdate();//結束資料的編輯
view.EndUpdate(); //結束檢視的編輯
}

具體可看

dev gridcontrol 合併表頭

23. //動態新增列
DevExpress.XtraGrid.Columns.GridColumn Col1 = new DevExpress.XtraGrid.Columns.GridColumn();
Col1.FieldName = "name";
Col1.Caption = "名字";
Col1.Visible = false;
Col1.VisibleIndex = gvCountry.Columns.Count;
gvCountry.Columns.Add(Col1);

24。設定自動增加的行號

private void gridview_CustomDrawRowIndicator(object sender, DevExpress.XtraGrid.Views.Grid.RowIndicatorCustomDrawEventArgs e)
{

e.Appearance.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Far;
if (e.Info.IsRowIndicator)
{
if (e.RowHandle >= 0)
{
e.Info.DisplayText = (e.RowHandle + 1).ToString();
}
else if (e.RowHandle < 0 && e.RowHandle > -1000)
{
e.Info.Appearance.BackColor = System.Drawing.Color.AntiqueWhite;
e.Info.DisplayText = "G" + e.RowHandle.ToString();
}
}

｝

25.特效：gridcontrol中有5種view 型式，普通的是gridview，然後分別為cardview、BandedView、Advanced BandedView、LayoutView；共5種。

1）、view組中把OptionView下的viewmode 設定成“Carousel”就達到這種“旋轉木馬”式的gridcontrol view 特效了
2）、layoutView1.OptionsCarouselMode.PitchAngle 這個屬性決定“旋轉木馬”的pitch angle 螺距角; 螺旋角; 螺旋升角; 俯仰角; 傾角; 節錐半形
3）、Roll Angle 屬性決定著 傾側角度
4）、指定資料來源，顯示資料：
//顯示資料
private void showData(List<Employee > list)
{
DataTable dt = new DataTable("OneEmployee");
dt.Columns.Add("Caption", System.Type.GetType("System.String"));
dt.Columns.Add("Department", System.Type.GetType("System.String"));
dt.Columns.Add("PhotoName", System.Type.GetType("System.Byte[]"));

for (int i = 0; i < list.Count; i++)
{
DataRow dr = dt.NewRow();
dr["Caption"] = list[i].Name;
dr["Department"] = list[i].Department;
string imagePath = @"D:\C#\photos\" + list[i].PhotoPath;
dr["PhotoName"] = getImageByte(imagePath);
dt.Rows.Add(dr);
}
gridControl1.DataSource = dt;
}

//返回圖片的位元組流byte[]
private byte[] getImageByte(string imagePath)
{
FileStream files = new FileStream(imagePath, FileMode.Open);
byte[] imgByte = new byte [files.Length ];
files.Read(imgByte, 0, imgByte.Length);
files.Close();
return imgByte;
}

26.檢查資料的有效性

在gridview的ValidateRow事件中加入檢查程式碼：
#region 檢查資料
private void gridView1_ValidateRow(object sender, ValidateRowEventArgs e)
{
GridView view = sender as GridView;
view.ClearColumnErrors();

if (view.GetRowCellValue(e.RowHandle, "ReceiveDate") == DBNull.Value)
{
e.Valid = false;
view.SetColumnError(view.Columns["ReceiveDate"], "必須指定日期");
}

}

27.設某一列文字和標題局中顯示
gridView1.Columns[0].AppearanceHeader.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
gridView1.Columns[0].AppearanceCell.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;

28.列表過濾條件多選

列名.OptionsFilter.FilterPopupMode= DevExpress.XtraGrid.Columns.FilterPopupMode.CheckedList

29.隔行換色的方法

this.gridView1.Appearance.OddRow.BackColor = Color.White; // 設定奇數行顏色 // 預設也是白色 可以省略
this.gridView1.OptionsView.EnableAppearanceOddRow = true;// 使能 // 和和上面繫結 同時使用有效
this.gridView1.Appearance.EvenRow.BackColor = Color.WhiteSmoke; // 設定偶數行顏色
this.gridView1.OptionsView.EnableAppearanceEvenRow = true; // 使能 // 和和上面繫結 同時使用有效

1.隱藏最上面的GroupPanel
gridView1.OptionsView.ShowGroupPanel=false;

2.得到當前選定記錄某欄位的值
sValue=Table.Rows[gridView1.FocusedRowHandle][FieldName].ToString();

3.資料只讀
gridView1.OptionsBehavior.Editable=false;

4.不顯示MasterDetailView
gridView1.OptionsDetail.EnableMasterViewMode=false;

5.修改最上面的GroupPanel內容
gridView1.GroupPanelText="柳生飄絮";

6.設定資料來源:
gridControl1.DataSource = dt;
繫結每一列的FiledName--屬性
對於Oracle資料庫,所有的在設計器裡寫的程式中的欄位名必須大寫,否則可能繫結不上欄位,sqlserver沒有這個限制.

7.讀寫拷貝許可權設定
只讀不可拷貝：
ColumnViewOptionsBehavior.Editable = False

只讀可拷貝:
ColumnViewOptionsBehavior.Editable = True
OptionsColumn.AllowEdit = True
OptionsColumn.ReadOnly = True

可編輯:
ColumnViewOptionsBehavior.Editable = True
OptionsColumn.AllowEdit = True
OptionsColumn.ReadOnly = False

8.模板列的設定:
到Columns中，在他的屬性中找到ColumnEdit.
以LookUpEdit為例：
首先從Designer左邊選單In-Place Editor Repository中新增LookUpEdit.取名為Re1.然後.在他的Columns屬性中新增3列.Caption依次為:編號,姓名,性別.FieldName依次為:FID,FNAME,FSEX.然後將Re1的NullText設定成空.
　　AutoSearchColumnIndex屬性設定為2.ImmediatePopup屬性設定為True.
　　SearchMode設定為OnlyInPopup.
　　然後將這個模板列附加到我們上面提到的列1(也就是將列1的ColumnEdit屬性設成Re1)
　　最後我們還要在程式碼裡面給Re1繫結資料來源和顯示項.
Re1.DataSource = DALUse.Query("select fid,fname,fsex from dual").Tables[0];
Re1.DisplayMember = "FSEX";
Re1.ValueMember = "FNAME";

9.設某一列文字和標題局中顯示
gridView1.Columns[0].AppearanceHeader.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;
gridView1.Columns[0].AppearanceCell.TextOptions.HAlignment = DevExpress.Utils.HorzAlignment.Center;

10.去掉某一列上面的自動篩選功能(Filter)
gridView1.Columns[0].OptionsFilter.AllowAutoFilter = false;
gridView1.Columns[0].OptionsFilter.AllowFilter = false;
gridView1.Columns[0].OptionsFilter.ImmediateUpdateAutoFilter = false;

11.設定凍結列(左凍結)
gridView1.Columns[0].Fixed= DevExpress.XtraGrid.Columns.FixedStyle.Left;

12.得到單元格資料(0行0列)
string ss=gridView1.GetRowCellDisplayText(0, gridView1.Columns[0]);
string ss = gridView1.GetRowCellValue(0, gridView1.Columns[0]);

13.設定單元格資料(將0行0列的單元格賦值123)
gridView1.SetRowCellValue(0, gridView1.Columns[0], "123");

13.手動新增dev的列
DevExpress.XtraGrid.Columns.GridColumn Col1=new DevExpress.XtraGrid.Columns.GridColumn ();
Col1.FieldName="FID";
Col1.Visible=true;
Col1.VisibleIndex=gridView1.Columns.Count;
gridView1.Columns.Add(Col1);

14.設定自動增加的行號,需要先新增給gridview新增事件CustomDrawRowIndicator

private void gridview_CustomDrawRowIndicator(object sender, DevExpress.XtraGrid.Views.Grid.RowIndicatorCustomDrawEventArgs e)
{
if (e.Info.IsRowIndicator && e.RowHandle >= 0)
e.Info.DisplayText = (e.RowHandle + 1).ToString();
}

15.刪除: (修改了dgvdel裡的datagridviewdel方法)
public static void datagridviewdel_Dev(DevExpress.XtraGrid.Views.Grid.GridView Mydgv)
{
if (MessageBox.Show("你確定要刪除選中的記錄嗎？", "刪除提示", MessageBoxButtons.YesNo, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button2, 0, false) == DialogResult.Yes)
{
int iSelectRowCount = Mydgv.SelectedRowsCount;
if (iSelectRowCount > 0)
{
Mydgv.DeleteSelectedRows();
}
}
}

16. 新增: (對於新增,其本身的AddNewRow方法就可以做到)
private void btn_add_Click(object sender, EventArgs e)
{
gridView1.AddNewRow();
}
具體如果對於新加行還有什麼特別的設定,可以在它gridView1_InitNewRow事件中填寫:
private void gridView1_InitNewRow(object sender, DevExpress.XtraGrid.Views.Grid.InitNewRowEventArgs e)
{
ColumnView View = sender as ColumnView;
View.SetRowCellValue(e.RowHandle, View.Columns[0], gridView1.GetRowCellValue(gridView1.GetRowHandle(gridView1.RowCount - 2), gridView1.Columns[0])); //複製最後一行的資料到新行

View.SetRowCellValue(e.RowHandle, View.Columns[1], gridView1.GetRowCellValue(gridView1.GetRowHandle(gridView1.RowCount - 2), gridView1.Columns[1])); //複製最後一行的資料到新行

}

17. 儲存 (第三方控制元件提供的RefreshData和RefreshDataSource方法對於儲存資料都不好使,最後還是使用了Dgvsave的datagridviewsave方法,用這個方法就可以)

18.特效：gridcontrol中有5種view 型式，普通的是gridview，然後分別為cardview、BandedView、Advanced BandedView、LayoutView；共5種。
1）、view組中把OptionView下的viewmode 設定成“Carousel”就達到這種“旋轉木馬”式的gridcontrol view 特效了
2）、layoutView1.OptionsCarouselMode.PitchAngle 這個屬性決定“旋轉木馬”的pitch angle 螺距角; 螺旋角; 螺旋升角; 俯仰角; 傾角; 節錐半形
3）、Roll Angle 屬性決定著 傾側角度
4）、指定資料來源，顯示資料：
//顯示資料
private void showData(List<Employee > list)
{
DataTable dt = new DataTable("OneEmployee");
dt.Columns.Add("Caption", System.Type.GetType("System.String"));
dt.Columns.Add("Department", System.Type.GetType("System.String"));
dt.Columns.Add("PhotoName", System.Type.GetType("System.Byte[]"));

for (int i = 0; i < list.Count; i++)
{
DataRow dr = dt.NewRow();
dr["Caption"] = list[i].Name;
dr["Department"] = list[i].Department;
string imagePath = @"D:\C#\photos\" + list[i].PhotoPath;
dr["PhotoName"] = getImageByte(imagePath);
dt.Rows.Add(dr);
}
gridControl1.DataSource = dt;
}

//返回圖片的位元組流byte[]
private byte[] getImageByte(string imagePath)
{
FileStream files = new FileStream(imagePath, FileMode.Open);
byte[] imgByte = new byte [files.Length ];
files.Read(imgByte, 0, imgByte.Length);
files.Close();
return imgByte;
}

19.檢查資料的有效性
在gridview的ValidateRow事件中加入檢查程式碼：
#region 檢查資料
private void gridView1_ValidateRow(object sender, ValidateRowEventArgs e)
{
GridView view = sender as GridView;
view.ClearColumnErrors();

if (view.GetRowCellValue(e.RowHandle, "ReceiveDate") == DBNull.Value)
{
e.Valid = false;
view.SetColumnError(view.Columns["ReceiveDate"], "必須指定日期");
}

}
#endregion
呼叫gridview.UpdateCurrentRow()方法執行檢查

最常用的DevExpress Winform 4個程式碼片段：

一 、GridControl的刪除操作

private void rILinkEditInfoDel_Click(object sender, EventArgs e)
{
if (XtraMessageBox.Show("請確定是否刪除當前記錄？", "警告", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes)
{
DataRow row = gvInfos.GetDataRow(gvInfos.FocusedRowHandle);
delByCode(row["Code"].ToString());
XtraMessageBox.Show("操作成功！");
}
}

二、繫結非資料表中列

Hashtable ht = new Hashtable();

private void gridView6_CustomUnboundColumnData(object sender, DevExpress.XtraGrid.Views.Base.CustomColumnDataEventArgs e)
{
GridView View = sender as GridView;
if (e.RowHandle >= 0)
{
object needAlert = View.GetRowCellValue(e.RowHandle, View.Columns["needAlert"]);
if (needAlert != null & needAlert != DBNull.Value && needAlert.ToString().Trim() != "0" & View.GetRowCellValue(e.RowHandle, View.Columns["Value"]) != DBNull.Value)
{
decimal AverValue = Convert.ToDecimal(View.GetRowCellValue(e.RowHandle, View.Columns["Value"]));
object MinValue = View.GetRowCellValue(e.RowHandle, View.Columns["MinValue"]);
object MaxVlaue = View.GetRowCellValue(e.RowHandle, View.Columns["MaxValue"]);
if (MinValue != DBNull.Value & MinValue != null & MaxVlaue.ToString() != "" & MaxVlaue != DBNull.Value && MaxVlaue != null & MaxVlaue.ToString() != "")
{
decimal gridColumn2 = Convert.ToDecimal(View.GetRowCellValue(e.RowHandle, View.Columns["MinValue"]));
decimal gridColumn1 = Convert.ToDecimal(View.GetRowCellValue(e.RowHandle, View.Columns["MaxValue"]));
if (gridColumn2 > AverValue || AverValue > gridColumn1)
{
if (!ht.ContainsKey("pic"))
ht.Add("pic", GetImage(1));
e.Value = ht["pic"];
}
}
}
}
}

/// <summary>
/// 由資原始檔獲取圖片
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
byte[] GetImage(int key)
{
Image img = DevExpress.Utils.Controls.ImageHelper.CreateImageFromResources(string.Format("RiverSys.Resources.{0}.gif", key.ToString()), typeof(RiverInfos).Assembly);
return DevExpress.XtraEditors.Controls.ByteImageConverter.ToByteArray(img, ImageFormat.Gif);
}

/// <summary>
/// 動態根據條件設定行樣式
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void gridView6_RowStyle(object sender, DevExpress.XtraGrid.Views.Grid.RowStyleEventArgs e)
{
GridView View = sender as GridView;
if (e.RowHandle >= 0)
{
object needAlert = View.GetRowCellValue(e.RowHandle, View.Columns["needAlert"]);
if (needAlert != null & needAlert != DBNull.Value && needAlert.ToString().Trim() != "0" & View.GetRowCellValue(e.RowHandle, View.Columns["Value"]) != DBNull.Value)
{
decimal AverValue = Convert.ToDecimal(View.GetRowCellValue(e.RowHandle, View.Columns["Value"]));
object MinValue = View.GetRowCellValue(e.RowHandle, View.Columns["MinValue"]);
object MaxVlaue = View.GetRowCellValue(e.RowHandle, View.Columns["MaxValue"]);
if (MinValue != DBNull.Value & MinValue != null & MaxVlaue.ToString() != "" & MaxVlaue != DBNull.Value && MaxVlaue != null & MaxVlaue.ToString() != "")
{
decimal gridColumn2 = Convert.ToDecimal(MinValue);
decimal gridColumn1 = Convert.ToDecimal(MaxVlaue);
if (gridColumn2 > AverValue || AverValue > gridColumn1)
{
e.Appearance.ForeColor = Color.Red;
e.Appearance.BackColor = Color.LightGray;
}
}
}
}
}

三、GridControl 中顏色選擇控制元件

private void gvMapColor_CustomUnboundColumnData(object sender, DevExpress.XtraGrid.Views.Base.CustomColumnDataEventArgs e)
{
GridView view = sender as GridView;
DataView dv = view.DataSource as DataView;
if (e.IsGetData)
{
string strVal = dv[e.ListSourceRowIndex]["Color"].ToString();
if (strVal != "")
{
//e.Value = DevExpress.Utils.StyleLayout.ColorFromString(strVal);
e.Value = Common.HexToColor(strVal);
}
}
else
{
//Color colorVal = DevExpress.Utils.StyleLayout.ColorFromString(e.Value.ToString());
Color colorVal = (Color)e.Value;
dv[e.ListSourceRowIndex]["Color"] = Common.RGB_HEX(colorVal.ToArgb());
}
}

四、關於 GridControl 驗證示例

/**//// <summary>
/// 初始化GridView，繫結資料
/// </summary>
/// <param name="parentId"></param>
private void GridViewBindData(string parentId)
{
this.gridView1.Columns.Clear();
this.FDs= areaSetupActionHelper.getDsRegionByParentId(parentId);
this.gridCArea.DataSource =this.FDs.Tables[0].DefaultView;

this.gridView1.Columns["id"].VisibleIndex = -1;
this.gridView1.Columns["childCounts"].VisibleIndex = -1;

this.gridView1.Columns["reg_id"].Caption = "區劃編號";
this.gridView1.Columns["reg_name"].Caption = "區劃名稱";
this.gridView1.Columns["parent_id"].Caption = "父區劃編號";
this.gridView1.Columns["reg_desc"].Caption = "區劃描述";
this.gridView1.Columns["parent_id"].ImageIndex =1;
this.gridView1.Columns["reg_desc"].ImageIndex = 0;

RepositoryItemTextEdit textEditReg_Id = new RepositoryItemTextEdit();
textEditReg_Id.Mask.EditMask =parentId+"\\d{2,3}";
textEditReg_Id.Mask.MaskType = DevExpress.XtraEditors.Mask.MaskType.Regular;

this.gridView1.Columns["reg_id"].ColumnEdit = textEditReg_Id;

this.gridView1.Columns["reg_desc"].ColumnEdit = new RepositoryItemMemoExEdit();

TreeListNode node = this.treelArea.FocusedNode.ParentNode;
string fid = node==null?"0":node.GetValue("RegID").ToString().Trim();
DataSet ds = areaSetupActionHelper.getDsRegionByParentId(fid);
RepositoryItemLookUpEdit lookUEParent_Id = new RepositoryItemLookUpEdit();
lookUEParent_Id.Columns.Add(new LookUpColumnInfo("reg_id", 40, "區劃編號"));
lookUEParent_Id.Columns.Add(new LookUpColumnInfo("reg_name", 40, "區劃名稱"));
lookUEParent_Id.DataSource = ds.Tables[0].DefaultView;
lookUEParent_Id.ValueMember = "reg_id";
lookUEParent_Id.DisplayMember = "reg_id";
this.gridView1.Columns["parent_id"].ColumnEdit = lookUEParent_Id;
}
/**//// <summary>
/// gridView單元格驗證的相關處理程式
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void gridView1_ValidatingEditor(object sender, DevExpress.XtraEditors.Controls.BaseContainerValidateEditorEventArgs e)
{
if (e.Valid == false&this.gridView1.FocusedColumn.FieldName == "reg_id")
{
e.ErrorText = "區劃編號不合法！\n應為父區劃編號加2～3位資料組成！";
}
if (this.gridView1.FocusedColumn.FieldName == "reg_name")
{
Regex reg=new Regex(@"[\u4e00-\u9fa5]{1,20}");
Match m=reg.Match(e.Value.ToString().Trim());
if (m.Length != e.Value.ToString().Trim().Length)
{
e.Valid = false;
e.ErrorText = "區劃名稱應為漢字\n長度為1至20";
}
}
}

private void gridView1_InvalidValueException(object sender, InvalidValueExceptionEventArgs e)
{
if (MyDialog.Alert("　您所填寫的內容不符合規則\n　要放棄您剛才對此項所做的更改嗎？", "您所編輯的內容不符合規則", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes)
{
e.ExceptionMode = ExceptionMode.Ignore;
}
}

/**//// <summary>
/// gridView行驗證的相關處理程式
/// </summary>
private void gridView1_ValidateRow(object sender, DevExpress.XtraGrid.Views.Base.ValidateRowEventArgs e)
{
string regid = this.gridView1.GetRowCellValue(e.RowHandle, "reg_id").ToString().Trim();
string regName = this.gridView1.GetRowCellValue(e.RowHandle, "reg_name").ToString().Trim();
if ( regid.Length < 1)
{
e.Valid = false;
this.gridView1.SetColumnError(this.gridView1.Columns["reg_id"], "請填寫區劃編號!", DevExpress.XtraEditors.DXErrorProvider.ErrorType.Default);
// e.ErrorText = "區劃名稱不能為空!";
}
if (regName.Length < 1)
{
e.Valid = false;
this.gridView1.SetColumnError(this.gridView1.Columns["reg_name"], "區劃名稱不能為空!", DevExpress.XtraEditors.DXErrorProvider.ErrorType.Default);
}
}

private void gridView1_InvalidRowException(object sender, DevExpress.XtraGrid.Views.Base.InvalidRowExceptionEventArgs e)
{

if (e.RowHandle >= 0)
{
if (this.gridView1.GetRowCellValue(e.RowHandle, this.gridView1.Columns["reg_id"]).ToString().Trim() == "" || this.gridView1.GetRowCellValue(e.RowHandle, this.gridView1.Columns["reg_name"]).ToString().Trim() == "")
{
if (MyDialog.Alert(" 　您所填寫的內容不符合規則\n　要放棄您剛才對此項所做的更改嗎？", "您所編輯的內容不符合規則", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes)
{
e.ExceptionMode = ExceptionMode.Ignore;
}
else
{
e.ExceptionMode = ExceptionMode.NoAction;
}
}
}
else
{
e.ExceptionMode = ExceptionMode.Ignore;
}
}

表單繫結資料集重新整理GridView資料：
gv_zdfw.RefreshData();
gv_zdfw.RefreshRowCell(viewIndex.FocusedRowHandle,gv_zdfw.Columns["MDMZDFW_ZDBH"]);
gv_zdfw.RefreshRow(viewIndex.FocusedRowHandle);

GridView資料重新整理表單繫結資料集：
gv_zdfw.CloseEditor(); https://www.cnblogs.com/zhchsh/p/5088023.html