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

2.得到當(dāng)前選定記錄某字段的值
? sValue=Table.Rows[gridView1.FocusedRowHandle][FieldName].ToString();

3.數(shù)據(jù)只讀
? gridView1.OptionsBehavior.Editable=false;

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

5.修改最上面的GroupPanel內(nèi)容
?? gridView1.GroupPanelText="柳生飄絮";

6.設(shè)置數(shù)據(jù)源:
?? gridControl1.DataSource = dt;
?? 綁定每一列的FiledName--屬性
?? 對(duì)于Oracle數(shù)據(jù)庫(kù),所有的在設(shè)計(jì)器里寫的程序中的字段名必須大寫,否則可能綁定不上字段,sqlserver沒(méi)有這個(gè)限制.

7.讀寫拷貝權(quán)限設(shè)置
? 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(shè)置:
? 到Columns中，在他的屬性中找到ColumnEdit.
? 以LookUpEdit為例：
? 首先從Designer左邊菜單In-Place Editor Repository中添加LookUpEdit.取名為Re1.然后.在他的Columns屬性中添加3列.Caption依次為:編號(hào),姓名,性別.FieldName依次為:FID,FNAME,FSEX.然后將Re1的NullText設(shè)置成空.
　　AutoSearchColumnIndex屬性設(shè)置為2.ImmediatePopup屬性設(shè)置為True.
　　SearchMode設(shè)置為OnlyInPopup.
　　然后將這個(gè)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(shè)成Re1)
　　最后我們還要在代碼里面給Re1綁定數(shù)據(jù)源和顯示項(xiàng).
???????? Re1.DataSource = DALUse.Query("select fid,fname,fsex from dual").Tables[0];
???????? Re1.DisplayMember = "FSEX";
???????? Re1.ValueMember = "FNAME";

?

9.設(shè)某一列文字和標(biāo)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(dòng)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(shè)置凍結(jié)列(左凍結(jié))
? gridView1.Columns[0].Fixed= DevExpress.XtraGrid.Columns.FixedStyle.Left;

?
12.得到單元格數(shù)據(jù)(0行0列)
?? string ss=gridView1.GetRowCellDisplayText(0, gridView1.Columns[0]);
?? string ss = gridView1.GetRowCellValue(0, gridView1.Columns[0]);

?
13.設(shè)置單元格數(shù)據(jù)(將0行0列的單元格賦值123)
?? gridView1.SetRowCellValue(0, gridView1.Columns[0], "123");

?
13.手動(dòng)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.設(shè)置自動(dòng)增加的行號(hào),需要先添加給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.刪除: (修改了dgvdel里的datagridviewdel方法)
??? public static void datagridviewdel_Dev(DevExpress.XtraGrid.Views.Grid.GridView Mydgv)
??? {
?????? if (MessageBox.Show("你確定要?jiǎng)h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(duì)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();??
???? }
??? 具體如果對(duì)于新加行還有什么特別的設(shè)置,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])); //復(fù)制最后一行的數(shù)據(jù)到新行

??????????? View.SetRowCellValue(e.RowHandle, View.Columns[1], gridView1.GetRowCellValue(gridView1.GetRowHandle(gridView1.RowCount - 2), gridView1.Columns[1])); //復(fù)制最后一行的數(shù)據(jù)到新行

??? }

?
17. 保存 (第三方控件提供的RefreshData和RefreshDataSource方法對(duì)于保存數(shù)據(jù)都不好使,最后還是使用了Dgvsave的datagridviewsave方法,用這個(gè)方法就可以)

18.特效：gridcontrol中有5種view 型式，普通的是gridview，然后分別為cardview、BandedView、Advanced BandedView、LayoutView；共5種。
? 1）、view組中把OptionView下的viewmode 設(shè)置成“Carousel”就達(dá)到這種“旋轉(zhuǎn)木馬”式的gridcontrol view 特效了
? 2）、layoutView1.OptionsCarouselMode.PitchAngle 這個(gè)屬性決定“旋轉(zhuǎn)木馬”的pitch angle 螺距角; 螺旋角; 螺旋升角; 俯仰角; 傾角; 節(jié)錐半角
? 3）、Roll Angle 屬性決定著 傾側(cè)角度
? 4）、指定數(shù)據(jù)源，顯示數(shù)據(jù)：
? //顯示數(shù)據(jù)
??????? 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;
??????? }

??????? //返回圖片的字節(jié)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.檢查數(shù)據(jù)的有效性
? 在gridview的ValidateRow事件中加入檢查代碼：
? #region 檢查數(shù)據(jù)
? 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
? 調(diào)用gridview.UpdateCurrentRow()方法執(zhí)行檢查

最常用的DevExpress Winform 4個(gè)代碼片段：

一 、GridControl的刪除操作

private void rILinkEditInfoDel_Click(object sender, EventArgs e)
{
???? if (XtraMessageBox.Show("請(qǐng)確定是否刪除當(dāng)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、綁定非數(shù)據(jù)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"];
???????????????? }
??????

轉(zhuǎn)載于:https://www.cnblogs.com/zzh1236/archive/2012/09/01/2666507.html

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