[轉]ASP.NET 2.0中GridView無限層複雜表頭的實作

本文轉自：http://blog.csdn.net/net_lover/article/details/1306211

實作方法就是給單元格填充我們想要的格式代碼。

<%@ 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">

// 計算資料，完全可以從資料看取得

ICollection CreateDataSource( )

{

System.Data.DataTable dt = new System.Data.DataTable();

System.Data.DataRow dr;

dt.Columns.Add(new System.Data.DataColumn("學生班級", typeof(System.String)));

dt.Columns.Add(new System.Data.DataColumn("學生姓名", typeof(System.String)));

dt.Columns.Add(new System.Data.DataColumn("國文", typeof(System.Decimal)));

dt.Columns.Add(new System.Data.DataColumn("數學", typeof(System.Decimal)));

dt.Columns.Add(new System.Data.DataColumn("英語", typeof(System.Decimal)));

dt.Columns.Add(new System.Data.DataColumn("計算機", typeof(System.Decimal)));

for (int i = 0; i < 8; i++)

{

System.Random rd = new System.Random(Environment.TickCount * i); ;

dr = dt.NewRow();

dr[0] = "班級" + i.ToString();

dr[1] = "學生" + i.ToString();

dr[2] = System.Math.Round(rd.NextDouble() * 100, 2);

dr[3] = System.Math.Round(rd.NextDouble() * 100, 2);

dr[4] = System.Math.Round(rd.NextDouble() * 100, 2);

dr[5] = 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)

{

//建立一個GridViewRow，相當于表格的 TR 一行

GridViewRow rowHeader = new GridViewRow(0, 0, DataControlRowType.Header, DataControlRowState.Normal);

string HeaderBackColor = "#EDEDED";

rowHeader.BackColor = System.Drawing.ColorTranslator.FromHtml(HeaderBackColor);

//實作确定要顯示的表頭樣式，也可以通過計算生成

// <tr>

// <td rowspan='2'>關鍵單元格</td>

// <td colspan='2'>表頭文字</td>

// <td>表頭文字</td>

// </tr>

// <tr bgcolor='#FFF'>

// <td colspan='2'>表頭文字</td>

// <td rowspan='2'>表頭文字</td>

// <td colspan='2'>表頭文字</td>

// </tr>

// <tr bgcolor='#FFF'>

// <td>表頭文字</td>

// <td>表頭文字</td>";

// </tr>

// 上面的樣式可以設定斜線

Literal newCells = new Literal();

newCells.Text = @"表頭文字1</th>

</tr>

<tr bgcolor='" + HeaderBackColor + "'>";

newCells.Text += @"

</tr>

<tr bgcolor='" + HeaderBackColor + "'>";

newCells.Text += @"

<th>表頭文字12";

TableCellCollection cells = e.Row.Cells;

TableHeaderCell headerCell = new TableHeaderCell();

//下面的屬性設定與 <td rowspan='2'>關鍵單元格</td> 要一緻

headerCell.RowSpan = 2;

headerCell.Controls.Add(newCells);

rowHeader.Cells.Add(headerCell);

rowHeader.Visible = true;

//添加到 GridView1

GridView1.Controls[0].Controls.AddAt(0, rowHeader);

}

protected void GridView1_RowDataBound( object sender, GridViewRowEventArgs e )

{

if (e.Row.RowType == DataControlRowType.Header)

{

e.Row.Attributes.Add("style", "background:#9999FF;color:#FFFFFF;font-size:14px");

}

else

{

e.Row.Attributes.Add("style", "background:#FFF");

}

</script>

<head>

<title>為 GridView 添加多層表頭</title>

</head>

<body>

<asp:GridView ID="GridView1" runat="server" CellSpacing="1" CellPadding="3" Font-Size="12px"

Width="600px" BackColor="#000000" BorderWidth="0" OnRowDataBound="GridView1_RowDataBound"

OnRowCreated="GridView1_RowCreated">

</asp:GridView>

</form>

</body>

</html>

VB.NET

<%@ Page Language="VB" AutoEventWireup="true" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"

"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

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("學生班級", GetType(System.String)))

dt.Columns.Add(New System.Data.DataColumn("學生姓名", GetType(System.String)))

dt.Columns.Add(New System.Data.DataColumn("國文", GetType(System.Decimal)))

dt.Columns.Add(New System.Data.DataColumn("數學", GetType(System.Decimal)))

dt.Columns.Add(New System.Data.DataColumn("英語", GetType(System.Decimal)))

dt.Columns.Add(New System.Data.DataColumn("計算機", GetType(System.Decimal)))

Dim i As Integer = 0

While i < 8

Dim rd As System.Random = New System.Random(Environment.TickCount * i)

dr = dt.NewRow

dr(0) = "班級" + i.ToString

dr(1) = "學生" + i.ToString

dr(2) = System.Math.Round(rd.NextDouble * 100, 2)

dr(3) = System.Math.Round(rd.NextDouble * 100, 2)

dr(4) = System.Math.Round(rd.NextDouble * 100, 2)

dr(5) = System.Math.Round(rd.NextDouble * 100, 2)

dt.Rows.Add(dr)

System.Math.Min(System.Threading.Interlocked.Increment(i), i - 1)

End While

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)

Dim HeaderBackColor As String = "#EDEDED"

rowHeader.BackColor = System.Drawing.ColorTranslator.FromHtml(HeaderBackColor)

Dim newCells As Literal = New Literal

newCells.Text = "表頭文字1</th>" + _

" <th colspan='2'>表頭文字2</th>" + _

" <th colspan='2'>表頭文字3</th>" + _

" <th>表頭文字4</th>" + _

" </tr>" + _

" <tr bgcolor='" + HeaderBackColor + "'>" + _

" <th colspan='2'>表頭文字5</th>" + _

" <th rowspan='2'>表頭文字6</th>" + _

" <th colspan='2'>表頭文字7</th>" + _

" </tr>" + _

" <tr bgcolor='" + HeaderBackColor + "'>" + _

" <th>表頭文字8</th>" + _

" <th>表頭文字9</th>" + _

" <th>表頭文字10</th>" + _

" <th>表頭文字11</th>" + _

" <th>表頭文字12"

Dim cells As TableCellCollection = e.Row.Cells

Dim headerCell As TableHeaderCell = New TableHeaderCell

headerCell.RowSpan = 2

headerCell.Controls.Add(newCells)

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)

If e.Row.RowType = DataControlRowType.Header Then

e.Row.Attributes.Add("style", "background:#9999FF;color:#FFFFFF;font-size:14px")

Else

e.Row.Attributes.Add("style", "background:#FFF")

End If

End Sub

</script>

<head>

<title>為 GridView 添加多層表頭</title>

</head>

<body>

<asp:GridView ID="GridView1" runat="server" CellSpacing="1" CellPadding="3" Font-Size="12px"

Width="600px" BackColor="#000000" BorderWidth="0" OnRowDataBound="GridView1_RowDataBound"

OnRowCreated="GridView1_RowCreated">

</asp:GridView>

</form>

</body>

</html>

[轉]ASP.NET 2.0中GridView無限層複雜表頭的實作

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