ASP.NET 2.0中合并 GridView 的表头单元格 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:
<%
...@ 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
>




<
%...@ 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()
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()
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()
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()
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
>
C#






























































































VB.NET














































































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