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Adding delete link for multiple item in a cell in Repeater control

Posted on 2008-10-24
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Last Modified: 2012-05-05
Hi,

I have a repeater control with following headings with sample data.

GroupName  Add Subject   SubjectName
----------------------------------------------------
Group1      Add Subject             subject1
                   Subject2
                   Subject3




When User Clicks on "Add Subject" I get the subject from the database for the group name and shows that in
SubjectName column.

Now I want to add delete functionality for the subject. So how can I add delete functionality in my code behind code.

Here is sample data.

GroupName  Add Subject   SubjectName
----------------------------------------------------
Group1      Add Subject             subject1         Delete
                   Subject2         Delete      
                   Subject3         Delete

Group2      Add Subject             subject4         Delete
                   Subject5         Delete
                   Subject6         Delete


Here is my sample code for adding subject when user clicks "AddSubject".




Please help me with this.





------------------------------------------------------------------------------------------------------------
 
   protected void Repeater1_ItemCommand(object source, DataListCommandEventArgs e)
    {
        int rowIndex = e.Item.ItemIndex;
        HiddenField hfSelectedEventName = (HiddenField)((DataList)source).Items[rowIndex].FindControl("hfSelectedEventName");
        HiddenField hfSelectedEventId = (HiddenField)((DataList)source).Items[rowIndex].FindControl("hfSelectedEventId");
       
       if (e.CommandName == "btnAdd")  // btnAdd is a link button in my repeater control
       {
            ((Panel)((DataList)source).Items[rowIndex].FindControl("PanelEvents")).Visible = false;
            ((Literal)((DataList)source).Items[rowIndex].FindControl("literalSelectedEvent")).Visible= true;
            CheckBoxList cblEvents = (CheckBoxList)((DataList)source).Items[rowIndex].FindControl("cblEvents");
            
     
            Literal literalSelectedEvent = (Literal)((DataList)source).Items[rowIndex].FindControl("literalSelectedEvent");
            TextBox txtNewEvent = (TextBox)((DataList)source).Items[rowIndex].FindControl("txtNewEvent");   
            StringBuilder strEventData=new StringBuilder();
            string strSelectedEvents = string.Empty;
            string strSelecedEventIds = string.Empty;
            int i=1;
          foreach (ListItem subject in cblEvents.Items)
           {
                 
               if (item.Selected)
               {
                   if (!hfSelectedEventName.Value.Contains(subject.Text))//check for edit mode
                   {
                       strSelectedEvents += subject.Text + ",";
                       strSelecedEventIds += subject.Value + ",";
                       strEventData.Append("<div>" + subject.Text + "</div>");  // I want to add "delete" link here.
                         
                       i++;
                   }
               }
 
              
           }
          if (strSelectedEvents.Length > 1)
          {
              strSelectedEvents = strSelectedEvents.Substring(0, strSelectedEvents.Length - 1);
              strSelecedEventIds = strSelecedEventIds.Substring(0, strSelecedEventIds.Length - 1);
          }
 
          if (txtNewEvent.Text != string.Empty)
          {
           strSelectedEvents+=","+txtNewEvent.Text;
           strSelecedEventIds += ",0";
           strEventData.Append("<div>" + txtNewEvent.Text + "</div>");
               
                      
              txtNewEvent.ReadOnly=true;
          }
          if (strSelectedEvents != string.Empty)
          {
              hfSelectedEventName.Value = strSelectedEvents;
              hfSelectedEventId.Value = strSelecedEventIds;
              literalSelectedEvent.Text += strEventData.ToString();
          }
           
       }
   }
 
-----------------------------------------------------------------------------------------------------------------------------

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Question by:r_pat72
1 Comment
 
LVL 16

Accepted Solution

by:
Gyanendra Singh earned 2000 total points
ID: 22802024
use this
<ItemTemplate>
        <div style="float:left; padding:10px; text-align:center;">
           <asp:HyperLink OnClientClick="return confirm('Are you sure?');" ID="DeleteLink" runat="server" NavigateUrl='<%# DataBinder.Eval(Container.DataItem, "ImageId","yourpage.aspx?PropertyId="+Request.QueryString("yourID")") %>'  >Delete</asp:HyperLink>
        </div>
        </ItemTemplate>
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