GridView Edit 和Delete

前台:                                   

<asp:CommandField ButtonType="Image"  HeaderText="Edit"   EditImageUrl="~/client_support/images/edit.GIF"  UpdateImageUrl ="~/client_support/images/save.gif" CancelImageUrl="~/client_support/images/cancel.gif"  ShowEditButton ="True"   >
                                    </asp:CommandField>
                                    <asp:TemplateField HeaderText="Delete">
                                        <ItemTemplate>
                                              <asp:ImageButton ID = "ibnDelete" runat="server"   ImageUrl ="~/client_support/images/del.gif"  CommandName="Delete"
                                                OnClientClick ="return confirm('Are you sure to delete?');"/>
                                        </ItemTemplate>
                                    </asp:TemplateField>

后台:

    protected void gdvTax_RowEditing(object sender, GridViewEditEventArgs e)
    {
        try
        {
            this.gdvTax.EditIndex = e.NewEditIndex;
            BindGridView();
        }
        catch (Exception ex)
        {
            AlertExceptionMessage(ex, MethodBase.GetCurrentMethod());
        }

    }

protected void gdvTax_RowUpdating(object sender, GridViewUpdateEventArgs e)
    {
        try
        {   
            //Update

            AlertMessage("Update success!");
            this.gdvTax.EditIndex = -1;
            BindGridView();
        }
        catch (Exception ex)
        {
            AlertExceptionMessage(ex, MethodBase.GetCurrentMethod());
        }
    }

    protected void gdvTax_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
    {
        try
        {
            this.gdvTax.EditIndex = -1;
            BindGridView();
        }
        catch (Exception ex)
        {
            AlertExceptionMessage(ex, MethodBase.GetCurrentMethod());
        }
    }

    protected void gdvTax_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        try
        {
                 //Delete           
                AlertMessage("Delete success!");
                BindGridView();
            
        }
        catch (Exception ex)
        {
            AlertExceptionMessage(ex, MethodBase.GetCurrentMethod());
        }
    }