| 1.隐藏最上面的GroupPanelgridView1.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;
 
 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, 0, 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.GetRowCellValue(gridView1.GetRowHandle(gridView1.RowCount - 2), 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.Name;
 dr["Department"] = list.Department;
 string imagePath = @"D:\C#\photos\" + list.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, 0, 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的删除操作
 private void rILinkEditInfoDel_Click(object sender, EventArgs e)
 {
 if (XtraMessageBox.Show("请确定是否删除当前记录?", "警告", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes)
 {
 DataRow row = gvInfos.GetDataRow(gvInfos.FocusedRowHandle);
 delByCode(row["Code"].ToString());
 XtraMessageBox.Show("操作成功!");
 }
 }
 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"];
 }
 }
 }
 }
 }
 /// <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+"[url=file://d%7b2,3/]file://d%7b2,3/[/url]}";
 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;
 }
 /**//// <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", MessageBoxButtons.YesNo, 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?", "您所编辑的内容不符合规则", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes)
 {
 e.ExceptionMode = ExceptionMode.Ignore;
 }
 else
 {
 e.ExceptionMode = ExceptionMode.NoAction;
 }
 }
 }
 else
 {
 e.ExceptionMode = ExceptionMode.Ignore;
 }
 }
 关于XtraGrid的使用(GridControl小结)来源:51编程网发布时间:2010-04-19Hits:146
 DevExpress XtraGrid的使用(AspxGridControl小结) 收藏
 自定义焦点行的方法: gridView_bcode.FocusedRowHandle = focuseRowInt; //通过设置GridView 的FocusedRowHandle属性
 
 
 view plaincopy to clipboardprint?
 //获取焦点行任意单元格的数据
 ColumnView cv = (ColumnView)gridControl_Gongzi.FocusedView;//重新获取此ID 否则无法从表头连删获取不到id
 int focusedhandle = cv.FocusedRowHandle;
 object rowIdObj = gridView1.GetRowCellValue(focusedhandle, "id");
 if (DBNull.Value != rowIdObj)
 {
 FocusedRow_id = Convert.ToInt32(rowIdObj);
 }
 //获取焦点行任意单元格的数据
 ColumnView cv = (ColumnView)gridControl_Gongzi.FocusedView;//重新获取此ID 否则无法从表头连删获取不到id
 int focusedhandle = cv.FocusedRowHandle;
 object rowIdObj = gridView1.GetRowCellValue(focusedhandle, "id");
 if (DBNull.Value != rowIdObj)
 {
 FocusedRow_id = Convert.ToInt32(rowIdObj);
 }
 view plaincopy to clipboardprint?
 //当数据发生变化时执行
 private void gridView1_CellValueChanged(object sender, CellValueChangedEventArgs e)
 {
 int intRowHandle = e.RowHandle;
 FocusedRow_bumen = Convert.ToString(gridView1.GetRowCellValue(intRowHandle, "bumen"));
 FocusedRow_xingming = Convert.ToString(gridView1.GetRowCellValue(intRowHandle, "xingming"));
 //FocusedRow_jibengongzi = Convert.ToDecimal(gridView1.GetRowCellValue(intRowHandle, "jibengongzi"));
 object rowJibengongziObj = gridView1.GetRowCellValue(intRowHandle, "jibengongzi");
 if (DBNull.Value != rowJibengongziObj)
 {
 FocusedRow_jibengongzi = Convert.ToDecimal(rowJibengongziObj);
 }
 }
 //当数据发生变化时执行
 private void gridView1_CellValueChanged(object sender, CellValueChangedEventArgs e)
 {
 int intRowHandle = e.RowHandle;
 FocusedRow_bumen = Convert.ToString(gridView1.GetRowCellValue(intRowHandle, "bumen"));
 FocusedRow_xingming = Convert.ToString(gridView1.GetRowCellValue(intRowHandle, "xingming"));
 //FocusedRow_jibengongzi = Convert.ToDecimal(gridView1.GetRowCellValue(intRowHandle, "jibengongzi"));
 object rowJibengongziObj = gridView1.GetRowCellValue(intRowHandle, "jibengongzi");
 if (DBNull.Value != rowJibengongziObj)
 {
 FocusedRow_jibengongzi = Convert.ToDecimal(rowJibengongziObj);
 }
 } view plaincopy to clipboardprint?
 //设置焦点行的焦点单元格的位置
 ColumnView view = (ColumnView)gridControl_Gongzi.FocusedView;
 view.FocusedColumn = view.Columns["bumen"];
 //设置焦点行的焦点单元格的位置
 ColumnView view = (ColumnView)gridControl_Gongzi.FocusedView;
 view.FocusedColumn = view.Columns["bumen"]; view plaincopy to clipboardprint?
 //当焦点行发生改变时执行 获取选中焦点行id
 private void gridView1_FocusedRowChanged(object sender, DevExpress.XtraGrid.Views.Base.FocusedRowChangedEventArgs e)
 {
 int intRowHandle = e.FocusedRowHandle;
 
 
 object rowIdObj = gridView1.GetRowCellValue(intRowHandle, "id");
 
 
 if (DBNull.Value != rowIdObj)//做个判断否则获取不到id后报错
 {
 FocusedRow_id = Convert.ToInt32(rowIdObj);
 }
 }
 //当焦点行发生改变时执行 获取选中焦点行id
 private void gridView1_FocusedRowChanged(object sender, DevExpress.XtraGrid.Views.Base.FocusedRowChangedEventArgs e)
 {
 int intRowHandle = e.FocusedRowHandle;
 
 
 object rowIdObj = gridView1.GetRowCellValue(intRowHandle, "id");
 
 
 if (DBNull.Value != rowIdObj)//做个判断否则获取不到id后报错
 {
 FocusedRow_id = Convert.ToInt32(rowIdObj);
 }
 }
 
 
 view plaincopy to clipboardprint?
 //焦点行的FocusedHandle为:
 FocuseRow_Handle = -999998;
 //获取焦点行的handle
 ColumnView newview = (ColumnView)gridControl_Gongzi.FocusedView;
 
 
 FocuseRow_Handle = newview.FocusedRowHandle;
 //回车添加新行
 private void gridView1_KeyPress(object sender, KeyPressEventArgs e)
 
 
 {
 if (e.KeyChar == 13)
 {
 ColumnView view = (ColumnView)gridControl_Gongzi.FocusedView;
 if(view.IsLastRow)
 {
 if (FocuseRow_Handle == 0)
 {
 gridView1.AddNewRow();
 
 
 ColumnView newview = (ColumnView)gridControl_Gongzi.FocusedView;
 
 
 newview.FocusedColumn = newview.Columns["bumen"];//定位焦点网格的位置
 
 
 FocuseRow_Handle = newview.FocusedRowHandle;//获取新焦点行的FocuseRowHandle 并初始化全局变量FocuseRow_Handle供保存操作时判断是update还是insert
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