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合并实现DataGrid多表头

合并实现DataGrid多表头

<HTML>

<HEAD>

<title>MergeHeader</title>

<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">

<meta name="CODE_LANGUAGE" Content="C#">

<meta name="vs_defaultClientScript" content="JavaScript">

<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">

</HEAD>

<body MS_POSITIONING="GridLayout">

<form id="Form1" method="post" runat="server">

<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">

<FooterStyle BackColor="Tan"></FooterStyle>

<SelectedItemStyle ForeColor="GhostWhite" BackColor="DarkSlateBlue"></SelectedItemStyle>

<AlternatingItemStyle BackColor="PaleGoldenrod"></AlternatingItemStyle>

<HeaderStyle Font-Bold="True" BackColor="Tan"></HeaderStyle>

<PagerStyle HorizontalAlign="Center" ForeColor="DarkSlateBlue" BackColor="PaleGoldenrod"></PagerStyle>

</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(685) 评论(6) 编辑收藏收藏至365Key 所属分类: DataGrid

Feedback

# re: 合并实现DataGrid多表头 2005-12-30 13:10 zgy

没有代码下载吗? 回复

# re: 合并实现DataGrid多表头 2005-12-31 12:27 lh

小山前辈，
你这个是datagrid的单元格合并，请问在asp.net表单中合并form 的单元格时候怎么实现呢？想来不会比这个更难吧？回复

# re: 合并实现DataGrid多表头 2005-12-31 12:45 小山

也是可以的，在 DatagridToDecorate_ItemCreated里面做些处理就可以了，现在是判断if(ListItemType.Header == lit)，如果要在表格内，那就判断if(ListItemType.Header!= lit)，然后相应的修改合并地方就可以实现，具体的你试试

private void DatagridToDecorate_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
{
//*** Examine if the item created is the header item
ListItemType lit = e.Item.ItemType;
if(ListItemType.Header != lit)
{
//*** Redirect the default header rendering method to our own method
e.Item.SetRenderMethodDelegate(new RenderMethod(NewRenderMethod));
}
}
回复

# re: 合并实现DataGrid多表头 2006-01-06 10:04 过路者

有没有WinForm的合并代码呀？回复

# re: 合并实现DataGrid多表头 2006-02-07 09:27 天外飞仙

有没有WinForm的合并代码呀？回复

# re: 合并实现DataGrid多表头 2006-03-02 10:36 凤舞九天

我加入之后，html中
datagrid对应的</table>消失了，不知是否算是个小bug
不知道为什么会不见了呢？回复

posted on 2006-03-10 10:11 S孤单一吻S 阅读(1107) 评论(0) 收藏举报

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