ASP.NET 2.0中GridView无限层复杂表头的实现
2006-10-13 10:10
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实现方法就是给单元格填充我们想要的格式代码。
![](http://dotnet.aspx.cc/article/MultiRow.gif)
C#
<%@ Page Language="C#" AutoEventWireup="true" %><br /><!doctype html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"<br />"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><br />
// 计算数据,完全可以从数据看取得
ICollection CreateDataSource( )
{
System.Data.DataTable dt = new System.Data.DataTable();
System.Data.DataRow dr;
dt.Columns.Add(new System.Data.DataColumn("学生班级", typeof(System.String)));
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)));
dt.Columns.Add(new System.Data.DataColumn("计算机", typeof(System.Decimal)));
for (int i = 0; i <8; i++)
{
System.Random rd = new System.Random(Environment.TickCount * i); ;
dr = dt.NewRow();
dr[0] = "班级" + i.ToString();
dr[1] = "学生" + 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)
{
//创建一个GridViewRow,相当于表格的 TR 一行
GridViewRow rowHeader = new GridViewRow(0, 0, DataControlRowType.Header, DataControlRowState.Normal);
string HeaderBackColor = "#EDEDED";
rowHeader.BackColor = System.Drawing.ColorTranslator.FromHtml(HeaderBackColor);
//实现确定要显示的表头样式,也可以通过计算生成
//
//
关键单元格 //
表头文字 //
表头文字 //
表头文字 //
//
//
表头文字 //
表头文字 //
表头文字 //
//
//
表头文字 //
表头文字 //
表头文字 //
表头文字 //
表头文字 ";
//
// 上面的样式可以设置斜线
Literal newCells = new Literal();
newCells.Text = @"表头文字1表头文字2 表头文字3 表头文字4 ";
newCells.Text += @"
表头文字5 表头文字6 表头文字7 ";
newCells.Text += @"
表头文字8 表头文字9 表头文字10 表头文字11 表头文字12";
TableCellCollection cells = e.Row.Cells;
TableHeaderCell headerCell = new TableHeaderCell();
//下面的属性设置与
关键单元格 要一致
headerCell.RowSpan = 2;
headerCell.Controls.Add(newCells);
rowHeader.Cells.Add(headerCell);
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");
}
}
<br /><html xmlns="http://www.w3.org/1999/xhtml"><br /> <head><br /> <title>为 GridView 添加多层表头</title><br /> </head><br /> <body><br /> <form id="Form1" runat="server"><br /> <asp:gridview ID="GridView1" runat="server" CellSpacing="1" CellPadding="3" Font-Size="12px"<br /> Width="600px" BackColor="#000000" BorderWidth="0" OnRowDataBound="GridView1_RowDataBound"<br /> OnRowCreated="GridView1_RowCreated"><br /> </asp:gridview><br /> </form><br /> </body><br /></html><br />
![](http://dotnet.aspx.cc/article/MultiRow.gif)
C#
<%@ Page Language="C#" AutoEventWireup="true" %><br /><!doctype html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"<br />"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><br />
// 计算数据,完全可以从数据看取得
ICollection CreateDataSource( )
{
System.Data.DataTable dt = new System.Data.DataTable();
System.Data.DataRow dr;
dt.Columns.Add(new System.Data.DataColumn("学生班级", typeof(System.String)));
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)));
dt.Columns.Add(new System.Data.DataColumn("计算机", typeof(System.Decimal)));
for (int i = 0; i <8; i++)
{
System.Random rd = new System.Random(Environment.TickCount * i); ;
dr = dt.NewRow();
dr[0] = "班级" + i.ToString();
dr[1] = "学生" + 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)
{
//创建一个GridViewRow,相当于表格的 TR 一行
GridViewRow rowHeader = new GridViewRow(0, 0, DataControlRowType.Header, DataControlRowState.Normal);
string HeaderBackColor = "#EDEDED";
rowHeader.BackColor = System.Drawing.ColorTranslator.FromHtml(HeaderBackColor);
//实现确定要显示的表头样式,也可以通过计算生成
//
//
Literal newCells = new Literal();
newCells.Text = @"表头文字1
newCells.Text += @"
newCells.Text += @"
TableCellCollection cells = e.Row.Cells;
TableHeaderCell headerCell = new TableHeaderCell();
//下面的属性设置与
headerCell.RowSpan = 2;
headerCell.Controls.Add(newCells);
rowHeader.Cells.Add(headerCell);
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");
}
}
<br /><html xmlns="http://www.w3.org/1999/xhtml"><br /> <head><br /> <title>为 GridView 添加多层表头</title><br /> </head><br /> <body><br /> <form id="Form1" runat="server"><br /> <asp:gridview ID="GridView1" runat="server" CellSpacing="1" CellPadding="3" Font-Size="12px"<br /> Width="600px" BackColor="#000000" BorderWidth="0" OnRowDataBound="GridView1_RowDataBound"<br /> OnRowCreated="GridView1_RowCreated"><br /> </asp:gridview><br /> </form><br /> </body><br /></html><br />
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