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Posted on
2011-10-04 08:58
gczhao
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本文转自:http://www.cnblogs.com/xiaofengfeng/archive/2011/05/05/2037346.html
gridView1.OptionsView.ShowGroupPanel= false ; |
sValue=Table.Rows[gridView1.FocusedRowHandle][FieldName].ToString(); |
gridView1.OptionsBehavior.Editable= false ; |
gridView1.OptionsDetail.EnableMasterViewMode= false ; |
gridView1.GroupPanelText= "柳生飘絮" ; |
gridControl1.DataSource = dt; |
对于Oracle数据库,所有的在设计器里写的程序中的字段名必须大写,否则可能绑定不上字段,sqlserver没有这个限制. |
ColumnViewOptionsBehavior.Editable = False |
ColumnViewOptionsBehavior.Editable = True |
OptionsColumn.AllowEdit = True |
OptionsColumn.ReadOnly = True |
ColumnViewOptionsBehavior.Editable = True |
OptionsColumn.AllowEdit = True |
OptionsColumn.ReadOnly = False |
到Columns中,在他的属性中找到ColumnEdit. |
首先从Designer左边菜单In-Place Editor Repository中添加LookUpEdit.取名为Re1.然后.在他的Columns属性中添加3列.Caption依次为:编号,姓名,性别.FieldName依次为:FID,FNAME,FSEX.然后将Re1的NullText设置成空. |
AutoSearchColumnIndex属性设置为2.ImmediatePopup属性设置为True. |
SearchMode设置为OnlyInPopup. |
然后将这个模板列附加到我们上面提到的列1(也就是将列1的ColumnEdit属性设成Re1) |
最后我们还要在代码里面给Re1绑定数据源和显示项. |
Re1.DataSource = DALUse.Query( "select fid,fname,fsex from dual" ).Tables[0]; |
Re1.DisplayMember = "FSEX" ; |
Re1.ValueMember = "FNAME" ; |
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动筛选功能(Filter) |
gridView1.Columns[0].OptionsFilter.AllowAutoFilter = false ; |
gridView1.Columns[0].OptionsFilter.AllowFilter = false ; |
gridView1.Columns[0].OptionsFilter.ImmediateUpdateAutoFilter = false ; |
gridView1.Columns[0].Fixed= DevExpress.XtraGrid.Columns.FixedStyle.Left; |
string ss=gridView1.GetRowCellDisplayText(0, gridView1.Columns[0]); |
string ss = gridView1.GetRowCellValue(0, gridView1.Columns[0]); |
13.设置单元格数据(将0行0列的单元格赋值123) |
gridView1.SetRowCellValue(0, gridView1.Columns[0], "123" ); |
DevExpress.XtraGrid.Columns.GridColumn Col1= new DevExpress.XtraGrid.Columns.GridColumn (); |
Col1.VisibleIndex=gridView1.Columns.Count; |
gridView1.Columns.Add(Col1); |
14.设置自动增加的行号,需要先添加给gridview添加事件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.删除: (修改了dgvdel里的datagridviewdel方法) |
public static void datagridviewdel_Dev(DevExpress.XtraGrid.Views.Grid.GridView Mydgv) |
if (MessageBox.Show( "你确定要删除选中的记录吗?" , "删除提示" , MessageBoxButtons.YesNo, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button2, 0, false ) == DialogResult.Yes) |
int iSelectRowCount = Mydgv.SelectedRowsCount; |
Mydgv.DeleteSelectedRows(); |
16. 新增: (对于新增,其本身的AddNewRow方法就可以做到) |
private void btn_add_Click( object sender, EventArgs e) |
具体如果对于新加行还有什么特别的设置,可以在它gridView1_InitNewRow事件中填写: |
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])); |
View.SetRowCellValue(e.RowHandle, View.Columns[1], gridView1.GetRowCellValue(gridView1.GetRowHandle(gridView1.RowCount - 2), gridView1.Columns[1])); |
17. 保存 (第三方控件提供的RefreshData和RefreshDataSource方法对于保存数据都不好使,最后还是使用了Dgvsave的datagridviewsave方法,用这个方法就可以) |
18.特效:gridcontrol中有5种view 型式,普通的是gridview,然后分别为cardview、BandedView、Advanced BandedView、LayoutView;共5种。 |
1)、view组中把OptionView下的viewmode 设置成“Carousel”就达到这种“旋转木马”式的gridcontrol view 特效了 |
2)、layoutView1.OptionsCarouselMode.PitchAngle 这个属性决定“旋转木马”的pitch angle 螺距角; 螺旋角; 螺旋升角; 俯仰角; 倾角; 节锥半角 |
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); |
gridControl1.DataSource = dt; |
private byte [] getImageByte( string imagePath) |
FileStream files = new FileStream(imagePath, FileMode.Open); |
byte [] imgByte = new byte [files.Length ]; |
files.Read(imgByte, 0, imgByte.Length); |
在gridview的ValidateRow事件中加入检查代码: |
private void gridView1_ValidateRow( object sender, ValidateRowEventArgs e) |
GridView view = sender as GridView; |
view.ClearColumnErrors(); |
if (view.GetRowCellValue(e.RowHandle, "ReceiveDate" ) == DBNull.Value) |
view.SetColumnError(view.Columns[ "ReceiveDate" ], "必须指定日期" ); |
调用gridview.UpdateCurrentRow()方法执行检查 |
最常用的DevExpress Winform 4个代码片段: |
private void rILinkEditInfoDel_Click( object sender, EventArgs e) |
if (XtraMessageBox.Show( "请确定是否删除当前记录?" , "警告" , MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes) |
DataRow row = gvInfos.GetDataRow(gvInfos.FocusedRowHandle); |
delByCode(row[ "Code" ].ToString()); |
XtraMessageBox.Show( "操作成功!" ); |
Hashtable ht = new Hashtable(); |
private void gridView6_CustomUnboundColumnData( object sender, DevExpress.XtraGrid.Views.Base.CustomColumnDataEventArgs e) |
GridView View = sender as GridView; |
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)); |
/// <param name="key"></param> |
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); |
/// <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; |
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; |
private void gvMapColor_CustomUnboundColumnData( object sender, DevExpress.XtraGrid.Views.Base.CustomColumnDataEventArgs e) |
GridView view = sender as GridView; |
DataView dv = view.DataSource as DataView; |
string strVal = dv[e.ListSourceRowIndex][ "Color" ].ToString(); |
e.Value = Common.HexToColor(strVal); |
Color colorVal = (Color)e.Value; |
dv[e.ListSourceRowIndex][ "Color" ] = Common.RGB_HEX(colorVal.ToArgb()); |
/// <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 = "区划编号" ; |
this .gridView1.Columns[ "reg_name" ].Caption = "区划名称" ; |
this .gridView1.Columns[ "parent_id" ].Caption = "父区划编号" ; |
this .gridView1.Columns[ "reg_desc" ].Caption = "区划描述" ; |
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, "区划编号" )); |
lookUEParent_Id.Columns.Add( new LookUpColumnInfo( "reg_name" , 40, "区划名称" )); |
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; |
/// <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 = "区划编号不合法!\n应为父区划编号加2~3位数据组成!" ; |
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.ErrorText = "区划名称应为汉字\n长度为1至20" ; |
private void gridView1_InvalidValueException( object sender, InvalidValueExceptionEventArgs e) |
if (MyDialog.Alert( " 您所填写的内容不符合规则\n 要放弃您刚才对此项所做的更改吗?" , "您所编辑的内容不符合规则" , MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes) |
e.ExceptionMode = ExceptionMode.Ignore; |
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(); |
this .gridView1.SetColumnError( this .gridView1.Columns[ "reg_id" ], "请填写区划编号!" , DevExpress.XtraEditors.DXErrorProvider.ErrorType.Default); |
this .gridView1.SetColumnError( this .gridView1.Columns[ "reg_name" ], "区划名称不能为空!" , DevExpress.XtraEditors.DXErrorProvider.ErrorType.Default); |
private void gridView1_InvalidRowException( object sender, DevExpress.XtraGrid.Views.Base.InvalidRowExceptionEventArgs e) |
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( " 您所填写的内容不符合规则\n 要放弃您刚才对此项所做的更改吗?" , "您所编辑的内容不符合规则" , MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes) |
e.ExceptionMode = ExceptionMode.Ignore; |
e.ExceptionMode = ExceptionMode.NoAction; |
e.ExceptionMode = ExceptionMode.Ignore; |
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