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DevExpress GridControl常用方法
一、如何解决单击记录整行选中的问题
View->OptionsBehavior->EditorShowMode 设置为：Click
二、如何新增一条记录
(1)、gridView.AddNewRow()
(2)、实现gridView_InitNewRow事件
三、如何解决GridControl记录能获取而没有显示出来的问题
gridView.populateColumns();
四、如何让行只能选择而不能编辑（或编辑某一单元格）
(1)、View->OptionsBehavior->EditorShowMode 设置为：Click
(2)、View->OptionsBehavior->Editable 设置为：false
五、如何禁用GridControl中单击列弹出右键菜单
设置Run Design->OptionsMenu->EnableColumnMenu 设置为：false
六、如何隐藏GridControl的GroupPanel表头
设置Run Design->OptionsView->ShowGroupPanel 设置为：false
七、如何禁用GridControl中列头的过滤器
过滤器如下图所示：
使用方法总结" v:shapes="图片_x0020_1">
设置 Run Design->OptionsCustomization->AllowFilter 设置为：false
八、如何在查询得到0条记录时显示自定义的字符提示/显示
如图所示：
使用方法总结" v:shapes="图片_x0020_2">
方法如下：
//When no Records Are Being Displayed
private void gridView1_CustomDrawEmptyForeground(object sender,CustomDrawEventArgs e)
{
//方法一（此方法为GridView设置了数据源绑定时，可用）
ColumnView columnView = sender as ColumnView;
BindingSource bindingSource =this.gridView1.DataSource as BindingSource;
if(bindingSource.Count == 0)
{
string str = "没有查询到你所想要的数据!";
Font f = newFont("宋体", 10, FontStyle.Bold);
Rectangle r = newRectangle(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（此方法为GridView没有设置数据源绑定时，使用，一般使用此种方法）
if (this._flag)
{
if(this.gridView1.RowCount == 0)
{
stringstr = "没有查询到你所想要的数据!";
Fontf = new Font("宋体", 10, FontStyle.Bold);
Rectangler = 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);
}
}
}
九、如何显示水平滚动条？
设置this.gridView.OptionsView.ColumnAutoWidth = false;
十、如何定位到第一条数据/记录？
设置 this.gridView.MoveFirst()
十一、如何定位到下一条数据/记录？
设置 this.gridView.MoveNext()
十二、如何定位到最后一条数据/记录？
设置 this.gridView.MoveLast()
十三、设置成一次选择一行，并且不能被编辑
this.gridView1.FocusRectStyle= DevExpress.XtraGrid.Views.Grid.DrawFocusRectStyle.RowFocus;
this.gridView1.OptionsBehavior.Editable = false;
this.gridView1.OptionsSelection.EnableAppearanceFocusedCell = false;
十四、如何显示行号？
this.gridView1.IndicatorWidth= 40;
//显示行的序号
private void gridView1_CustomDrawRowIndicator(object sender,RowIndicatorCustomDrawEventArgs e)
{
if (e.Info.IsRowIndicator &&e.RowHandle>=0)
{
e.Info.DisplayText= (e.RowHandle + 1).ToString();
}
}
十五、如何让各列头禁止移动？
设置gridView1.OptionsCustomization.AllowColumnMoving = false;
十六、如何让各列头禁止排序？
设置gridView1.OptionsCustomization.AllowSort = false;
十七、如何禁止各列头改变列宽？
设置gridView1.OptionsCustomization.AllowColumnResizing = false;
Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE
DEV控件：gridControl常用属性设置
2011-01-1909:50
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=http://www.mamicode.com/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-PlaceEditor 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.GridColumnCol1=newDevExpress.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 voidgridview_CustomDrawRowIndicator(objectsender, DevExpress.XtraGrid.Views.Grid.RowIndicatorCustomDrawEventArgse)
{
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 staticvoiddatagridviewdel_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)
{
intiSelectRowCount= 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(objectsender,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、AdvancedBandedView、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gridcontrolview 特效了
2）、layoutView1.OptionsCarouselMode.PitchAngle 这个属性决定“旋转木马”的pitchangle 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
privatevoidshowData(List<Employee > list)
{
DataTabledt= 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++)
{
DataRowdr = dt.NewRow();
dr["Caption"]= list[i].Name;
dr["Department"]= list[i].Department;
stringimagePath = @"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(stringimagePath)
{
FileStreamfiles = new FileStream(imagePath, FileMode.Open);
byte[]imgByte = new byte [files.Length ];
files.Read(imgByte,0, imgByte.Length);
files.Close();
returnimgByte;
}
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, ValidateRowEventArgse)
{
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
privatevoid 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
Hashtableht = new Hashtable();
privatevoid gridView6_CustomUnboundColumnData(object sender,DevExpress.XtraGrid.Views.Base.CustomColumnDataEventArgse)
{
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)
{
decimalAverValue =http://www.mamicode.com/Convert.ToDecimal(View.GetRowCellValue(e.RowHandle,View.Columns["Value"]));
objectMinValue =http://www.mamicode.com/View.GetRowCellValue(e.RowHandle,View.Columns["MinValue"]);
objectMaxVlaue = View.GetRowCellValue(e.RowHandle,View.Columns["MaxValue"]);
if(MinValue != DBNull.Value & MinValue != null & MaxVlaue.ToString()!="" & MaxVlaue != DBNull.Value && MaxVlaue != null&MaxVlaue.ToString() != "")
{
decimalgridColumn2 =Convert.ToDecimal(View.GetRowCellValue(e.RowHandle,View.Columns["MinValue"]));
decimalgridColumn1 =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= http://www.mamicode.com/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);
returnDevExpress.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.RowStyleEventArgse)
{
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)
{
decimalAverValue = http://www.mamicode.com/Convert.ToDecimal(View.GetRowCellValue(e.RowHandle,"Value"]));
objectMinValue =http://www.mamicode.com/View.GetRowCellValue(e.RowHandle,View.Columns["MinValue"]);
objectMaxVlaue =View.GetRowCellValue(e.RowHandle,View.Columns["MaxValue"]);
if(MinValue != DBNull.Value & MinValue != null & MaxVlaue.ToString()!="" & MaxVlaue != DBNull.Value && MaxVlaue != null&MaxVlaue.ToString() != "")
{
decimalgridColumn2 = Convert.ToDecimal(MinValue);
decimalgridColumn1 = 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
privatevoid gvMapColor_CustomUnboundColumnData(objectsender,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= http://www.mamicode.com/DevExpress.Utils.StyleLayout.ColorFromString(strVal);
e.Value= http://www.mamicode.com/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 = newRepositoryItemTextEdit();
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= newRepositoryItemMemoExEdit();
TreeListNode node =this.treelArea.FocusedNode.ParentNode;
string fid=node==null?"0":node.GetValue("RegID").ToString().Trim();
DataSet ds =areaSetupActionHelper.getDsRegionByParentId(fid);
RepositoryItemLookUpEdit lookUEParent_Id =newRepositoryItemLookUpEdit();
lookUEParent_Id.Columns.Add(newLookUpColumnInfo("reg_id", 40, "区划编号"));
lookUEParent_Id.Columns.Add(newLookUpColumnInfo("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(objectsender,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=newRegex(@"[\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";
}
}
}
privatevoid gridView1_InvalidValueException(objectsender,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(objectsender,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);
}
}
privatevoid gridView1_InvalidRowException(object sender,DevExpress.XtraGrid.Views.Base.InvalidRowExceptionEventArgse)
{
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;
}
}
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);
}
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//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 voidgridView1_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"));
objectrowJibengongziObj = gridView1.GetRowCellValue(intRowHandle,"jibengongzi");
if(DBNull.Value != rowJibengongziObj)
{
FocusedRow_jibengongzi = Convert.ToDecimal(rowJibengongziObj);
}
} view plaincopy toclipboardprint?
//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 toclipboardprint?
//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.FocusedRowChangedEventArgse)
{
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)
{
intintRowHandle = e.FocusedRowHandle;
objectrowIdObj = 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);
}
}
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//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, KeyPressEventArgse)
{
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
DevExpress GridControl常用方法