合并实现DataGrid多表头

<HTML>

<HEAD>

<title>MergeHeader</title>

</HEAD>

<asp:datagrid id="DataGrid1" style="Z-INDEX: 101; LEFT: 8px; POSITION: absolute; TOP: 8px" runat="server"

BorderColor="Tan" BorderWidth="1px" BackColor="LightGoldenrodYellow" CellPadding="1" ForeColor="Black"

CellSpacing="1">

</asp:datagrid>

</form>

</body>

</HTML>

public class MergeHeader : System.Web.UI.Page

{

private DataGrid m_dgDatagridToDecorate = null;

private ArrayList m_arrHeaderCells = null;

protected System.Web.UI.WebControls.DataGrid DataGrid1;

private Hashtable m_htblRowspanIndex = new Hashtable();

private void Page_Load(object sender, System.EventArgs e)

{

if(!this.IsPostBack)

{

MergeGrid();

}

AddMergeHeader

property

DatagridToDecorate_ItemCreated

NewRenderMethod#region NewRenderMethod

private void NewRenderMethod(HtmlTextWriter writer, Control ctl)

{

int iCurrIndex = 0;

for(int i=0; i<m_arrHeaderCells.Count; i++)

{

TableCell item = (TableCell)m_arrHeaderCells[i];

if(item.ColumnSpan > 1)

{

iCurrIndex += item.ColumnSpan-1;

}

if(item.RowSpan > 1)

{

m_htblRowspanIndex.Add(iCurrIndex + i, iCurrIndex + i);

}

item.RenderControl(writer);

}

writer.WriteEndTag("TR");

//*** Add the style attributes that was defined in design time

// to our second row so they both will have the same appearance

m_dgDatagridToDecorate.HeaderStyle.AddAttributesToRender(writer);

//*** Insert the second row

writer.RenderBeginTag("TR");

//*** Render all the cells that was defined in design time, except the last one

// because we already rendered it above

for(int i=0; i< ctl.Controls.Count; i++)

{

if((null == m_htblRowspanIndex[i]))

{

ctl.Controls[i].RenderControl(writer);

}

//*** We don't need to write the </TR> close tag because the writer will do that for us

// and so we're done :)

}

#endregion

GetData

MergeGrid

Web Form Designer generated code

}

源代码下载/Files/singlepine/MergeHeader.rar

posted on 2005-11-23 17:26 小山阅读(14009) 评论(14) 收藏举报

刷新页面返回顶部

小山

公告