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;
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[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, 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+"file://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;
}
/// <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);
}
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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 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);
}
}
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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, 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
C#中GridView格式化字符串，其实就是使用DataFromatString的方法，那么现在就向你介绍具体的内容和实现的实例应用，希望对你有所帮助。
在我们从业务逻辑层获得数据实体时候，接下来的事情就是要绑定到控件中。数据实体中的一些字段可以直接绑定到界面中，但是有一些字段需要重新格式化格式。比如货币单位字段，需要显示货币符号和每隔三位显示分隔符;再比如日期字段，数据库中存放的是日期和时间，但是在界面上需要按照XXXX年XX月XX日的格式显示。这时候我们就用到了DataFormatString属性。
﹤asp:GridView ID="grvResult" runat="server"
AutoGenerateColumns="False" Width="100%"﹥
﹤Columns﹥
﹤asp:BoundField HeaderText="预定日期"
DataField="OperationDate" DataFormatString="{
0:yyyy-MM-dd}" HtmlEncode="False"﹥
﹤/asp:BoundField﹥
﹤asp:BoundField HeaderText="订单总计"
DataField="TotalRate" DataFormatString="{
0:C}" HtmlEncode="False"﹥
﹤/asp:BoundField﹥
﹤/Columns﹥
﹤/asp:GridView﹥
例如上面的代码展示了日期和货币两种绑定方式。DataFormatString中的{0}是固定的格式，这和String.Fromat(“{0}”, someString)中的{0}是一个用法，表示绑定上下文的参数索引编号。然后，在后面加入C#格式化字符串，具体的使用方法可以参考MSDN。
C#中GridView格式化字符串注意以下几点
1. 在GridView中的asp:BoundField使用DataFormatString必须设置属性HtmlEncode="False"，否则不起作用。
2. 如果需要使用日期类型的格式化字符串，必须数据实体中对应的字段也应该日起类型的。
3. 格式化字符串C代表货币单位，需要绑定的数据类型应该是数字类型的。如果是字符串类型的不起作用，需要手动添加格式化字符串为DataFormatString="￥{0:C}"。
C#中GridView格式化字符串的基本情况就向你介绍到这里，希望对你学习和理解C#中GridView格式化字符串有所帮助。
1、在gridview中一直对“删除”不是很理解，在ASP的模式下面，这个删除链接应该有一个行ID标识，以便程序知道删除那一行，或针对这行做一些处理，然而在ASP.net里面也可以用，但是不是最好的。
2、应该用LinkButton的各种属性，这时候非常方面，而且便于理解。这样不用选中一行（gridview.selectedRow 提供定位信息），然后再点击某种操作了。
请注意 CommandName, CommandArgument 和 LinkButton的名字 CommandArgument 的对应关系。
有了 CommandName 就知道是那个LinkButton控件。
有了 CommandArgument（和行的ID绑定），就知道要处理那一行。
swicth(CommandName)
case "sort":{}
case “delete”：{}
本文参考链接：https://www.cnblogs.com/xihong2014/p/15030525.html
