DEV控件:grIDControl常用属性设置 1.隐藏最上面的GroupPanel grIDVIEw1.OptionsVIEw.ShowGroupPanel= false ; 2.得到当前选定记录某字段的值 sValue=table.Rows[grIDVIEw1.FocusedRowHandle][FIEldname].ToString(); 3.数据只读 grIDVIEw1.OptionsBehavior.Editable= false ; 4.不显示MasterDetailVIEw grIDVIEw1.OptionsDetail.EnableMasterviewmode= false ; 5.修改最上面的GroupPanel内容 grIDVIEw1.GroupPanelText= "柳生飘絮" ; 6.设置数据源: grIDControl1.DataSource = dt; 绑定每一列的filedname--属性 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. 7.读写拷贝权限设置 只读不可拷贝: ColumnVIEwOptionsBehavior.Editable = False 只读可拷贝: ColumnVIEwOptionsBehavior.Editable = True OptionsColumn.AllowEdit = True OptionsColumn.Readonly = True 可编辑: ColumnVIEwOptionsBehavior.Editable = True OptionsColumn.AllowEdit = True OptionsColumn.Readonly = False 8.模板列的设置: 到Columns中,在他的属性中找到ColumnEdit. 以LookUpEdit为例: 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" ; 9.设某一列文字和标题局中显示 grIDVIEw1.Columns[0].Appearanceheader.Textoptions.HAlignment = DevExpress.Utils.HorzAlignment.Center; grIDVIEw1.Columns[0].AppearanceCell.Textoptions.HAlignment = DevExpress.Utils.HorzAlignment.Center; @H_403_314@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 ; 11.设置冻结列(左冻结) grIDVIEw1.Columns[0].Fixed= DevExpress.XtraGrID.Columns.FixedStyle.left; 12.得到单元格数据(0行0列) 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" ); 13.手动添加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.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, false ) == DialogResult.Yes) { int iSelectRowCount = Mydgv.SelectedRowsCount; if (iSelectRowCount > 0) { 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) { grIDVIEw1.AddNewRow(); } 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])); //复制最后一行的数据到新行 VIEw.SetRowCellValue(e.RowHandle,VIEw.Columns[1],grIDVIEw1.Columns[1])); //复制最后一行的数据到新行 } 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 3)、Roll Angle 属性决定着 倾侧角度 4)、指定数据源,显示数据: //显示数据 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; } //返回图片的字节流byte[] private byte [] getimageByte( string imagePath) { fileStream files = new fileStream(imagePath,fileMode.Open); byte [] imgByte = new byte [files.Length ]; files.Read(imgByte,imgByte.Length); files.Close(); return imgByte; } 19.检查数据的有效性 在grIDvIEw的ValIDateRow事件中加入检查代码: #region 检查数据 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" ], "必须指定日期" ); } } #endregion 调用grIDvIEw.UpdateCurrentRow()方法执行检查 最常用的DevExpress Winform 4个代码片段: 一 、GrIDControl的删除 *** 作 private voID rIlinkEditInfoDel_Click( object sender,EventArgs e) { if (XtraMessageBox.Show( "请确定是否删除当前记录?" , "警告" ,MessageBoxIcon.Warning) == DialogResult.Yes) { DaTarow row = gvInfos.GetDaTarow(gvInfos.FocusedRowHandle); delByCode(row[ "Code" ].ToString()); XtraMessageBox.Show( " *** 作成功!" ); } } 二、绑定非数据表中列 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" ]; } @H_819_1502@ } } } } /// <summary> /// 由资源文件获取图片 /// </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> /// 动态根据条件设置行样式 /// </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 中颜色选择控件 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、关于 GrIDControl 验证示例 /**/ /// <summary> /// 初始化GrIDVIEw,绑定数据 /// </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 = "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(); @H_502_2248@ 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" , "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; } /**/ /// <summary> /// grIDVIEw单元格验证的相关处理程序 /// </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 = "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.ValID = false ; 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" ,MessageBoxIcon.Warning) == DialogResult.Yes) { e.ExceptionMode = ExceptionMode.Ignore; } } /**/ /// <summary> /// grIDVIEw行验证的相关处理程序 /// </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" ], "请填写区划编号!" ,DevExpress.XtraEditors.DXErrorProvIDer.ErrorType.Default); // e.ErrorText = "区划名称不能为空!"; } if (regname.Length < 1) { e.ValID = false ; 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 (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?" ,MessageBoxIcon.Warning) == DialogResult.Yes) { e.ExceptionMode = ExceptionMode.Ignore; } else { e.ExceptionMode = ExceptionMode.NoAction; } } } else { e.ExceptionMode = ExceptionMode.Ignore; } } |
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