A、AllowPaging=False情況下
<asp:DataGrid id="DataGrid1" runat="server">
<Columns> <asp:TemplateColumn> <ItemTemplate> <%# Container.ItemIndex + 1%> </ItemTemplate> </asp:TemplateColumn> </Columns> </asp:DataGrid> |
<asp:DataGrid id="DataGrid1" runat="server">
<Columns> <asp:TemplateColumn> <ItemTemplate> <%# this.DataGrid1.Items.Count + 1%> </ItemTemplate> </asp:TemplateColumn> </Columns> </asp:DataGrid> |
[從上面來看就是在ItemCreated事件中進行綁定所以得到的Items.Count剛好是當前的序號]
B、AllowPaging="True"下
如果你DataGrid支持分頁則可以如下
<asp:DataGrid id="DataGrid1" runat="server" AllowPaging="True">
<Columns> <asp:TemplateColumn> <ItemTemplate> <%# this.DataGrid1.CurrentPageIndex * this.DataGrid1.PageSize + Container.ItemIndex + 1%> </ItemTemplate> </asp:TemplateColumn> </Columns> </asp:DataGrid> |
序號
|
內容
|
4
|
Taye
|
3
|
BOx
|
2
|
Glass
|
1
|
StarCraft
|
this.DataGrid1.Items.Count - Container.ItemIndex + 1方法是不可能實現的,得到值而且全會爲1
分頁的情況下更是一樣.所以一開始我們就要取得數據源的行數
.cs
private int rowscount = 0;
protected int RowsCount { get{ return rowscount;} set{ this.rowscount = value; } } private void Page_Load(object sender, System.EventArgs e) { // 在此處放置用戶代碼以初始化頁面 if(!IsPostBack) this.BindData(); } private void BindData() { SqlConnection cn = new SqlConnection("server=(local);database=NorthWind;uid=sa;pwd="); string str=@"SELECT Employees.EmployeeID, Orders.EmployeeID FROM Employees INNER JOIN Orders ON Employees.EmployeeID = Orders.EmployeeID "; SqlDataAdapter sqlda = new SqlDataAdapter(str,cn); DataSet ds = new DataSet(); sqlda.Fill(ds); this.RowsCount = ds.Tables[0].Rows.Count; this.DataGrid1.DataSource = ds; this.DataGrid1.DataBind(); } |
.aspx
<asp:DataGrid id="DataGrid1" runat="server" AllowPaging="True">
<Columns> <asp:TemplateColumn> <ItemTemplate> <%# RowsCount - DataGrid1.CurrentPageIndex * DataGrid1.PageSize - Container.ItemIndex %> </ItemTemplate> </asp:TemplateColumn> </Columns> </asp:DataGrid> |