在实际工作中,往往需要合并表格头部的单元格,下面就是一个实现的例子。运行结果如图:
C#
<%
...
@ Page Language = " C# " AutoEventWireup = " true "
%>
<! DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" >
< script runat ="server" > ...
ICollection CreateDataSource()
... {
System.Data.DataTable dt = new System.Data.DataTable();
System.Data.DataRow dr;
dt.Columns.Add( new System.Data.DataColumn( " 学生姓名 " , typeof (System.String)));
dt.Columns.Add( new System.Data.DataColumn( " 语文 " , typeof (System.Decimal)));
dt.Columns.Add( new System.Data.DataColumn( " 数学 " , typeof (System.Decimal)));
dt.Columns.Add( new System.Data.DataColumn( " 英语 " , typeof (System.Decimal)));
for ( int i = 0 ; i < 8 ; i ++ )
... {
System.Random rd = new System.Random(Environment.TickCount * i); ;
dr = dt.NewRow();
dr[ 0 ] = " 学生 " + i.ToString();
dr[ 1 ] = System.Math.Round(rd.NextDouble() * 100 , 2 );
dr[ 2 ] = System.Math.Round(rd.NextDouble() * 100 , 2 );
dr[ 3 ] = System.Math.Round(rd.NextDouble() * 100 , 2 );
dt.Rows.Add(dr);
}
System.Data.DataView dv = new System.Data.DataView(dt);
return dv;
}
protected void Page_Load(object sender, EventArgs e)
... {
if ( ! IsPostBack)
... {
GridView1.BorderColor = System.Drawing.Color.DarkOrange;
GridView1.DataSource = CreateDataSource();
GridView1.DataBind();
}
}
protected void GridView1_RowCreated(object sender, GridViewRowEventArgs e)
... {
if (e.Row.RowType == DataControlRowType.Header)
... {
GridViewRow rowHeader = new GridViewRow( 0 , 0 , DataControlRowType.Header, DataControlRowState.Normal);
rowHeader.BackColor = System.Drawing.Color.White;
rowHeader.Font.Bold = true ;
TableCellCollection cells = e.Row.Cells;
TableCell headerCell = new TableCell();
headerCell.Text = "" ;
rowHeader.Cells.Add(headerCell);
headerCell = new TableCell();
headerCell.Text = " 学生成绩 " ;
headerCell.ColumnSpan = cells.Count - 1 ;
headerCell.HorizontalAlign = HorizontalAlign.Center;
rowHeader.Cells.Add(headerCell);
rowHeader.Visible = true ;
GridView1.Controls[ 0 ].Controls.AddAt( 0 , rowHeader);
}
}
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
... {
e.Row.Attributes.Add( " style " , " background:#FFF " );
}
</ script >
< html xmlns ="http://www.w3.org/1999/xhtml" >
< head >
< title > 合并 GridView 的表头单元格 </ title >
</ head >
< body >
< form id ="Form1" runat ="server" >
< asp:GridView ID ="GridView1" runat ="server" CellSpacing ="1" CellPadding ="3"
Font-Size ="12px" Width ="300px" BackColor ="orange" BorderWidth ="0"
OnRowDataBound ="GridView1_RowDataBound" OnRowCreated ="GridView1_RowCreated" >
</ asp:GridView >
</ form >
</ body >
</ html >
<! DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" >
< script runat ="server" > ...
ICollection CreateDataSource()
... {
System.Data.DataTable dt = new System.Data.DataTable();
System.Data.DataRow dr;
dt.Columns.Add( new System.Data.DataColumn( " 学生姓名 " , typeof (System.String)));
dt.Columns.Add( new System.Data.DataColumn( " 语文 " , typeof (System.Decimal)));
dt.Columns.Add( new System.Data.DataColumn( " 数学 " , typeof (System.Decimal)));
dt.Columns.Add( new System.Data.DataColumn( " 英语 " , typeof (System.Decimal)));
for ( int i = 0 ; i < 8 ; i ++ )
... {
System.Random rd = new System.Random(Environment.TickCount * i); ;
dr = dt.NewRow();
dr[ 0 ] = " 学生 " + i.ToString();
dr[ 1 ] = System.Math.Round(rd.NextDouble() * 100 , 2 );
dr[ 2 ] = System.Math.Round(rd.NextDouble() * 100 , 2 );
dr[ 3 ] = System.Math.Round(rd.NextDouble() * 100 , 2 );
dt.Rows.Add(dr);
}
System.Data.DataView dv = new System.Data.DataView(dt);
return dv;
}
protected void Page_Load(object sender, EventArgs e)
... {
if ( ! IsPostBack)
... {
GridView1.BorderColor = System.Drawing.Color.DarkOrange;
GridView1.DataSource = CreateDataSource();
GridView1.DataBind();
}
}
protected void GridView1_RowCreated(object sender, GridViewRowEventArgs e)
... {
if (e.Row.RowType == DataControlRowType.Header)
... {
GridViewRow rowHeader = new GridViewRow( 0 , 0 , DataControlRowType.Header, DataControlRowState.Normal);
rowHeader.BackColor = System.Drawing.Color.White;
rowHeader.Font.Bold = true ;
TableCellCollection cells = e.Row.Cells;
TableCell headerCell = new TableCell();
headerCell.Text = "" ;
rowHeader.Cells.Add(headerCell);
headerCell = new TableCell();
headerCell.Text = " 学生成绩 " ;
headerCell.ColumnSpan = cells.Count - 1 ;
headerCell.HorizontalAlign = HorizontalAlign.Center;
rowHeader.Cells.Add(headerCell);
rowHeader.Visible = true ;
GridView1.Controls[ 0 ].Controls.AddAt( 0 , rowHeader);
}
}
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
... {
e.Row.Attributes.Add( " style " , " background:#FFF " );
}
</ script >
< html xmlns ="http://www.w3.org/1999/xhtml" >
< head >
< title > 合并 GridView 的表头单元格 </ title >
</ head >
< body >
< form id ="Form1" runat ="server" >
< asp:GridView ID ="GridView1" runat ="server" CellSpacing ="1" CellPadding ="3"
Font-Size ="12px" Width ="300px" BackColor ="orange" BorderWidth ="0"
OnRowDataBound ="GridView1_RowDataBound" OnRowCreated ="GridView1_RowCreated" >
</ asp:GridView >
</ form >
</ body >
</ html >
VB.NET
<%
...
@ Page Language = " VB "
%>
<! DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" >
< script runat ="server" > ...
Function CreateDataSource() As ICollection
Dim dt As System.Data.DataTable = New System.Data.DataTable
Dim dr As System.Data.DataRow
dt.Columns.Add(New System.Data.DataColumn( " 学生姓名 " , GetType(System.String)))
dt.Columns.Add(New System.Data.DataColumn( " 语文 " , GetType(System.Decimal)))
dt.Columns.Add(New System.Data.DataColumn( " 数学 " , GetType(System.Decimal)))
dt.Columns.Add(New System.Data.DataColumn( " 英语 " , GetType(System.Decimal)))
Dim i As Integer = 0
For i = 0 To 7
Dim rd As System.Random = New System.Random(Environment.TickCount * i)
dr = dt.NewRow
dr( 0 ) = " 学生 " + i.ToString
dr( 1 ) = System.Math.Round(rd.NextDouble * 100 , 2 )
dr( 2 ) = System.Math.Round(rd.NextDouble * 100 , 2 )
dr( 3 ) = System.Math.Round(rd.NextDouble * 100 , 2 )
dt.Rows.Add(dr)
Next
Dim dv As System.Data.DataView = New System.Data.DataView(dt)
Return dv
End Function
Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
If Not IsPostBack Then
GridView1.BorderColor = System.Drawing.Color.DarkOrange
GridView1.DataSource = CreateDataSource()
GridView1.DataBind()
End If
End Sub
Protected Sub GridView1_RowCreated(ByVal sender As Object, ByVal e As GridViewRowEventArgs)
If e.Row.RowType = DataControlRowType.Header Then
Dim rowHeader As GridViewRow = New GridViewRow( 0 , 0 , DataControlRowType.Header, DataControlRowState.Normal)
rowHeader.BackColor = System.Drawing.Color.White
rowHeader.Font.Bold = True
Dim cells As TableCellCollection = e.Row.Cells
Dim headerCell As TableCell = New TableCell
headerCell.Text = ""
rowHeader.Cells.Add(headerCell)
headerCell = New TableCell
headerCell.Text = " 学生成绩 "
headerCell.ColumnSpan = cells.Count - 1
headerCell.HorizontalAlign = HorizontalAlign.Center
rowHeader.Cells.Add(headerCell)
rowHeader.Visible = True
GridView1.Controls( 0 ).Controls.AddAt( 0 , rowHeader)
End If
End Sub
Protected Sub GridView1_RowDataBound(ByVal sender As Object, ByVal e As GridViewRowEventArgs)
e.Row.Attributes.Add( " style " , " background:#FFF " )
End Sub
</ script >
< html xmlns ="http://www.w3.org/1999/xhtml" >
< head >
< title > 合并 GridView 的表头单元格 </ title >
</ head >
< body >
< form id ="Form1" runat ="server" >
< asp:GridView ID ="GridView1" runat ="server" CellSpacing ="1" CellPadding ="3"
Font-Size ="12px" Width ="300px" BackColor ="orange" BorderWidth ="0"
OnRowDataBound ="GridView1_RowDataBound" OnRowCreated ="GridView1_RowCreated" >
</ asp:GridView >
</ form >
</ body >
</ html >
<! DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" >
< script runat ="server" > ...
Function CreateDataSource() As ICollection
Dim dt As System.Data.DataTable = New System.Data.DataTable
Dim dr As System.Data.DataRow
dt.Columns.Add(New System.Data.DataColumn( " 学生姓名 " , GetType(System.String)))
dt.Columns.Add(New System.Data.DataColumn( " 语文 " , GetType(System.Decimal)))
dt.Columns.Add(New System.Data.DataColumn( " 数学 " , GetType(System.Decimal)))
dt.Columns.Add(New System.Data.DataColumn( " 英语 " , GetType(System.Decimal)))
Dim i As Integer = 0
For i = 0 To 7
Dim rd As System.Random = New System.Random(Environment.TickCount * i)
dr = dt.NewRow
dr( 0 ) = " 学生 " + i.ToString
dr( 1 ) = System.Math.Round(rd.NextDouble * 100 , 2 )
dr( 2 ) = System.Math.Round(rd.NextDouble * 100 , 2 )
dr( 3 ) = System.Math.Round(rd.NextDouble * 100 , 2 )
dt.Rows.Add(dr)
Next
Dim dv As System.Data.DataView = New System.Data.DataView(dt)
Return dv
End Function
Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
If Not IsPostBack Then
GridView1.BorderColor = System.Drawing.Color.DarkOrange
GridView1.DataSource = CreateDataSource()
GridView1.DataBind()
End If
End Sub
Protected Sub GridView1_RowCreated(ByVal sender As Object, ByVal e As GridViewRowEventArgs)
If e.Row.RowType = DataControlRowType.Header Then
Dim rowHeader As GridViewRow = New GridViewRow( 0 , 0 , DataControlRowType.Header, DataControlRowState.Normal)
rowHeader.BackColor = System.Drawing.Color.White
rowHeader.Font.Bold = True
Dim cells As TableCellCollection = e.Row.Cells
Dim headerCell As TableCell = New TableCell
headerCell.Text = ""
rowHeader.Cells.Add(headerCell)
headerCell = New TableCell
headerCell.Text = " 学生成绩 "
headerCell.ColumnSpan = cells.Count - 1
headerCell.HorizontalAlign = HorizontalAlign.Center
rowHeader.Cells.Add(headerCell)
rowHeader.Visible = True
GridView1.Controls( 0 ).Controls.AddAt( 0 , rowHeader)
End If
End Sub
Protected Sub GridView1_RowDataBound(ByVal sender As Object, ByVal e As GridViewRowEventArgs)
e.Row.Attributes.Add( " style " , " background:#FFF " )
End Sub
</ script >
< html xmlns ="http://www.w3.org/1999/xhtml" >
< head >
< title > 合并 GridView 的表头单元格 </ title >
</ head >
< body >
< form id ="Form1" runat ="server" >
< asp:GridView ID ="GridView1" runat ="server" CellSpacing ="1" CellPadding ="3"
Font-Size ="12px" Width ="300px" BackColor ="orange" BorderWidth ="0"
OnRowDataBound ="GridView1_RowDataBound" OnRowCreated ="GridView1_RowCreated" >
</ asp:GridView >
</ form >
</ body >
</ html >