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New Message on MumbaiUserGroup
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From: Rohit_BD
Message 10 in Discussion
Hello, San4u8,Code snippet for demonstration of manipulating drop-downs in template
column of datagrid: Copy the following between the <form></form> tags of the aspx
page in HTML view. <asp:datagrid id="dgtest" runat="server"
autogeneratecolumns="False"> <columns> <asp:boundcolumn DataField="col1"
HeaderText="ID"></asp:boundcolumn> <asp:templatecolumn> <itemtemplate>
<asp:dropdownlist ID="ddltest" Runat="server"></asp:dropdownlist> </itemtemplate>
</asp:templatecolumn> </columns> </asp:datagrid> Copy the following in the Page_Load
method in code-behind or between the <script runat="server"></script> tags private
void Page_Load(object sender, System.EventArgs e) { DataTable dt = new
DataTable(); DataRow dr; DropDownList ddl; int i; //Create
the datasource for the datagrid dt.Columns.Add("col1",
Type.GetType("System.String")); for(i = 0; i < 5; i++) { dr =
dt.NewRow(); dr[0] = i.ToString(); dt.Rows.Add(dr); }
//bind datasource to the datagrid dgtest.DataSource = dt;
dgtest.DataBind(); //manipulate the drop-down list of each row of the datagrid.
//this code simply displays the ID as the sole element of the drop-down. for(i
= 0; i < dgtest.Items.Count; i++) { ddl =
(DropDownList)dgtest.Items[i].FindControl("ddltest"); if(ddl != null)
{ ddl.Items.Clear();
ddl.Items.Add(i.ToString()); } } } output: ID � <no col. name>
------------------- 0 � | 0 |v| 1 � | 1 |v| 2 � | 2 |v| 3 � | 3 |v| 4 � | 4
|v|
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