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how to get value from gridview when user clicks a link within the gridview

Posted on 2006-06-23
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Last Modified: 2008-01-09
My GridView:
      name      office
delete      me      local
delete      you      remote


aspx:
<asp:GridView ID="GridViewUsers" runat="server" BorderColor="Silver" BorderStyle="Solid" BorderWidth="1px"
        DataKeyNames="email" OnRowDeleting="GridViewUsers_RowDeleting" >
            <HeaderStyle BackColor="#E0E0E0" Font-Bold="True" />
            <AlternatingRowStyle BackColor="#F8F8F8" BorderStyle="Solid" />
            <Columns>
                <asp:TemplateField HeaderText="Remove">
                    <ItemTemplate>
                        <asp:LinkButton ID="LinkButton1" CommandArgument='<%# Eval("Email") %>' CommandName="Delete"
                        runat="server">Delete</asp:LinkButton>
                    </ItemTemplate>
                </asp:TemplateField>
            </Columns>
</asp:GridView>


code behind:
protected void GridViewUsers_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
       string UserEmail = GridViewUsers.DataKeys[e.RowIndex].Value.ToString();
       string UserOffice = ""; //*** how do I get the office from the gridview for the selected row? ***
       DeleteRecordByID(UserEmail, UserOffice);
    }
protected void DeleteRecordByID(string EMail)
    {
        //delete from list
        String strConnection = ConfigurationManager.ConnectionStrings["MyConnection"].ToString();
        String strSQL = "Delete from table where email ='" + EMail + "'";
        SqlConnection objConnection = new SqlConnection(strConnection);
        SqlCommand cmd = new SqlCommand(strSQL, objConnection);
        objConnection.Open();
        cmd.ExecuteNonQuery();
        objConnection.Close();
        //reload page;
    }


How do I get the office value from a given row when the user clicks the delete link?
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Question by:fwsteal
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2 Comments
 

Expert Comment

by:spfeedback
ID: 16971231
add a hidden label to the itemtemplate and fill it with the office value. Like so
<asp:Label id="lblOffice" visible="False"
                    text=<%# DataBinder.Eval(Container.DataItem,"office")%>
                    runat="server" />
then in the delete function you would use something like:
   Dim office As String = CType(e.Item.FindControl("lblOffice"), Label).Text

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LVL 4

Accepted Solution

by:
gregg1ep00 earned 2000 total points
ID: 16971318
Change your grid definition to:

<asp:GridView ID="GridViewUsers" runat="server" BorderColor="Silver" BorderStyle="Solid" BorderWidth="1px"
        DataKeyNames="email,office" OnRowDeleting="GridViewUsers_RowDeleting" >

Then, in your RowDeleting handler:
       string UserEmail = GridViewUsers.DataKeys[e.RowIndex].Values[0].ToString();
       string UserOffice = GridViewUsers.DataKeys[e.RowIndex].Values[1].ToString();

Hope that helps!
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