Delete Confirm not Deleting

I followed the instruction in this tutorial ( to add delete confirm to a GridView's FieldCommand Delete button.  It will delete the record if I comment out this code but not if I don't.  I get the confirm dialog and a postback but the record is not deleted.  DataKeyNames are set.  What's the deal?

Here's the code.
Protected Sub GridView1_RowDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs)

        'Delete Confirm

        If e.Row.RowState = DataControlRowState.Normal Then

            If e.Row.RowType = DataControlRowType.DataRow Then

                Dim db As ImageButton = CType(e.Row.Cells(0).Controls(2), ImageButton)

                Dim record As DAL.CustomersDataSet.CustomersRow = CType(CType(e.Row.DataItem, System.Data.DataRowView).Row, DAL.CustomersDataSet.CustomersRow)

                db.OnClientClick = String.Format("return confirm('Are you certain you want to delete the {0} customer?');", record.CustomerName.Replace("'", "\'"))

            End If

        End If

      End Sub


and the GridView

    <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="CustomerID"

        DataSourceID="ObjectDataSource1" OnRowUpdated="GridView1_RowUpdated" OnRowUpdating="GridView1_RowUpdating" OnRowDataBound="GridView1_RowDataBound" OnRowDeleted="GridView1_RowDeleted">


            <asp:CommandField ShowDeleteButton="True" ShowEditButton="True" ButtonType="Image" CancelImageUrl="~/Images/Cancel.gif" DeleteImageUrl="~/Images/Delete.gif" EditImageUrl="~/Images/Edit.gif" UpdateImageUrl="~/Images/Save.gif" />

            <asp:BoundField DataField="CustomerID" HeaderText="CustomerID" InsertVisible="False"

                ReadOnly="True" SortExpression="CustomerID" Visible="False" />

            <asp:BoundField DataField="CustomerName" HeaderText="Customer Name" SortExpression="CustomerName" />

            <asp:TemplateField HeaderText="Jobs">


                    <asp:LinkButton ID="ViewJobsLinkButton" runat="server" CommandArgument='<%# Eval("CustomerID") %>' Text='<%# Eval("CountOfJobs") %>' OnClick="ViewJobsLinkButton_Click"></asp:LinkButton>


                <ItemStyle HorizontalAlign="Center" />


            <asp:TemplateField HeaderText="File Directory">


                    <asp:HyperLink ID="CustomerDirectoryHyperLink" runat="server" ImageUrl="~/Images/Folder.JPG"></asp:HyperLink>


                <ItemStyle HorizontalAlign="Center" />




            <strong><span style="color: red">No records returned!</span></strong>



11/7/2006 3:30:30 AM 93655 articles. 6 followers. Follow

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There is no delete operation in your code and only delete confirm here.Try to add delete code according to CustomerID in GridView_RowCommand event handler.Try to refer to the following links which have a confirm delete in GridView.

11/7/2006 7:10:27 AM
Thanks for the reply.  I assumed that if the confirm function returned true that it continued with the Delete command associated with the delete button.  I thought it would still be associated because the field is still a CommandField.  I guess the OnClientClick bypasses the association to the delete method.  In the first link you posted the delete command is 'DeleteRecordByID(categoryID);'.  I am using concurrency and need to include some business logic.  Does this mean that I would have to reference all of the Delete method's fields in Code-Behind so I can use the BLL's Delete method or is there a way to still use the GridView's or ObjectDataSource's Delete method?
11/7/2006 1:33:44 PM


   You can still use the delete method in BLL through ObjectDataSource.Here are some sample codes to comfirm deleting a record in GridView for your reference.

     <asp:CommandField HeaderText="Command" ShowDeleteButton="True"
                ShowEditButton="True" DeleteText="&lt;span onclick=&quot;return confirm('Are you sure to delete?');&quot;&gt;Delete&lt;/span&gt;">
                <ItemStyle Width="135px" />

 Wish this can give you some help.

11/8/2006 1:50:32 AM

Can you explain this?

="&lt;span onclick=&quot;return confirm('Are you sure to delete?');&quot;&gt;Delete&lt;/span&gt;">

It gives me errors.  I'm assuming it's suppose to followup with the Delete method if confirm returns true which is exactly what I am looking for but I don't understand the syntax.

12/1/2006 4:37:53 PM

I probably should mention that my TableAdapters in the DAL support concurancy.  This means that if I can't use the Delete method of the object data source and would have to set the parameters in code I would have to set every original value parameter.  This seams overkill just to get a delete confirm.

I also understand that I can convert the field to a template field (which is how I accomplished this with GridViews) but with DetailsViews this makes the CommandField look like a DataField which is undesirable.  Yes, I could format it but then aren't we getting too far away from GUI to achieve something that is typical !?

12/1/2006 4:57:18 PM


   The special characters are not nessary and you can remove them in your codes.Just as the following, that's right. Maybe this is my mistake.

     <asp:CommandField HeaderText="Command" ShowDeleteButton="True" ShowEditButton="True" DeleteText="onclick=return confirm('Are you sure to delete?');">
           <ItemStyle Width="135px" />

Wish this can help you.

12/4/2006 4:17:50 AM

If there is concurrency in your TableAdapters in the DAL,you can still use ObjectDataSource and only need to pass some parameters to the DAL.Here some sample codes which are similiar to this for reference.

  protected void btn_Report_Click(object sender, EventArgs e)
        ForumsUserStatBLL fub = new ForumsUserStatBLL();
        IDataReader rd = fub.GetRecord(Performancing.Manager.UserID, date_Picker.SelectedDate);
        if (rd.Read())
            lb_DuplicateReport.Text = "Error: You've already reported for selected date!";
            fub.CreateRecord(Performancing.Manager.UserID, int.Parse(tb_Answered.Text), decimal.Parse(tb_WorkHour.Text), date_Picker.SelectedDate, tb_Comment.Text);                           //Pass parameters to DAL which is used to ObjectDataSource
            lb_DuplicateReport.Text = "Hey~ Well done! Keep up the good working.";

Wish this can helps you.

12/4/2006 4:27:24 AM

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