加班中，可能是今年的最后一问了，拜托大家，关于DataGrid动态添加绑定列后的处理问题！

gOODiDEA 2003-01-25 10:30:55

先看看代码：页面上有个ListDataGrid，静态绑定了一列。
private void Page_Load(object sender, System.EventArgs e)
{
if ( ! this.IsPostBack )
{
this.Bind();
}
}
public void CreateGrid()
{
BoundColumn BoundCol = new BoundColumn();
BoundCol.HeaderText = "hello";
BoundCol.DataField = "xxx";
BoundCol.SortExpression = "xxx";
ListDataGrid.Columns.Add( BoundCol );
}
private void ListDataGrid_SortCommand(object source, System.Web.UI.WebControls.DataGridSortCommandEventArgs e)
{
conn.dv.Sort = e.SortExpression;
ListDataGrid.DataBind();
}
private void Bind()
{
CreateGrid();
StringBuilder ListSql = new StringBuilder();
ListSql.Append( " SELECT * FROM Table1 ");
if ( conn.GetRowCount( ListSql.ToString() ) > 0 )
{
ListDataGrid.DataSource = conn.CreateDataSource( ListSql.ToString() );
ListDataGrid.DataBind();
}
}

第一次打开都是好的，但是一点排序，叶面上就只剩下了静态绑定的那列了。相同的代码在纯静态绑定的DataGrid里面一点问题也没有。如果去掉 if ( ! this.IsPostBack ) ，则排序功能不起作用，我感觉是CreateGrid();加的地方不对，把它放到Page_load里面也不行。

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gOODiDEA 2003-02-10

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谢谢，结贴！

gOODiDEA 2003-02-10

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我试试！

AXQ 2003-02-10

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private void Page_Load(object sender, System.EventArgs e)
{
if ( ! this.IsPostBack )
{
this.Bind();
}
}
public void CreateGrid()
{
BoundColumn BoundCol = new BoundColumn();
BoundCol.HeaderText = "hello";
BoundCol.DataField = "xxx";
BoundCol.SortExpression = "xxx";
ListDataGrid.Columns.Add( BoundCol );
}
private void ListDataGrid_SortCommand(object source, System.Web.UI.WebControls.DataGridSortCommandEventArgs e)
{
this.Bind();
conn.dv.Sort = e.SortExpression;
ListDataGrid.DataBind();
}
private void Bind()
{
StringBuilder ListSql = new StringBuilder();
ListSql.Append( " SELECT * FROM Table1 ");
if ( conn.GetRowCount( ListSql.ToString() ) > 0 )
{
ListDataGrid.DataSource = conn.CreateDataSource( ListSql.ToString() );
ListDataGrid.DataBind();
}
}

override protected void OnInit(EventArgs e)
{
InitializeComponent();
-->> CreateGrid();
base.OnInit(e);
}

gOODiDEA 2003-02-09

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gz!

gOODiDEA 2003-02-09

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to fanmingjiang(樊名江):没有任何作用！

fanmingjiang 2003-02-09

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你可以试一下 System.Web.UI.WebControls.DataGridSortCommandEventArgs e)
{
CreateGrid();
StringBuilder ListSql = new StringBuilder();
ListSql.Append( " SELECT * FROM Table1 ");
if ( conn.GetRowCount( ListSql.ToString() ) > 0 )
{
ListDataGrid.DataSource = conn.CreateDataSource( ListSql.ToString() );
ListDataGrid.DataSource.dv.Sort = e.SortExpression;
ListDataGrid.DataBind();
}
或者参数传递e.SortExpression

AXQ 2003-02-08

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帮顶一下！

spring_ok 2003-02-08

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参考一下我的这个示例吧。

http://expert.csdn.net/Expert/TopicView1.asp?id=1409351

gOODiDEA 2003-02-08

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哎，各位斑竹，DX，帮帮忙！

gOODiDEA 2003-01-31

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没人来???

gOODiDEA 2003-01-31

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唉，没人会？？？

houjianxun 2003-01-25

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先把排序的的列设置好,再绑定

gOODiDEA 2003-01-25

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TO letian(你快乐，所以我快乐) ( )

这样的话，第一次打开时都没有动态的绑定列。

letian 2003-01-25

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private void Bind()
{
CreateGrid();
StringBuilder ListSql = new StringBuilder();
ListSql.Append( " SELECT * FROM Table1 ");
if ( conn.GetRowCount( ListSql.ToString() ) > 0 )
{
ListDataGrid.DataSource = conn.CreateDataSource( ListSql.ToString() );
ListDataGrid.DataBind();
}
}
===〉

private void Bind()
{
StringBuilder ListSql = new StringBuilder();
ListSql.Append( " SELECT * FROM Table1 ");
if ( conn.GetRowCount( ListSql.ToString() ) > 0 )
{
ListDataGrid.DataSource = conn.CreateDataSource( ListSql.ToString() );
ListDataGrid.DataBind();
}
CreateGrid();

}

gOODiDEA 2003-01-25

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To henryfan1(henry) angel_lee(随风而逝)

刚刚有点错，忘了在ListDataGrid_SortCommand加bind()，程序里是有的。两位是这个意思吗？或者说的详细点。

private void Page_Load(object sender, System.EventArgs e)
{
if ( ! this.IsPostBack )
{
this.Bind();
}
}
public void CreateGrid()
{
BoundColumn BoundCol = new BoundColumn();
BoundCol.HeaderText = "hello";
BoundCol.DataField = "xxx";
BoundCol.SortExpression = "xxx";
ListDataGrid.Columns.Add( BoundCol );
}
private void ListDataGrid_SortCommand(object source, System.Web.UI.WebControls.DataGridSortCommandEventArgs e)
{
this.Bind();
conn.dv.Sort = e.SortExpression;
ListDataGrid.DataBind();
}
private void Bind()
{
CreateGrid();
StringBuilder ListSql = new StringBuilder();
ListSql.Append( " SELECT * FROM Table1 ");
if ( conn.GetRowCount( ListSql.ToString() ) > 0 )
{
ListDataGrid.DataSource = conn.CreateDataSource( ListSql.ToString() );
ListDataGrid.DataBind();
}
}

zwztu 2003-01-25