Invalid postback or callback argument

[Krish Singh]

Hi every one,

 

I am using telerik:GridButtonColumn it's working on Mozila firefox but does not work on chrome, when I click on gridbuttoncolumn it throws an error mention below:

Invalid postback or callback argument.  Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page.  For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them.  If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation.

 

aspx code:

 

<telerik:RadFormDecorator ID="blueMapsFormDecorator" runat="server" DecoratedControls="all"

                Skin="Web20"></telerik:RadFormDecorator>

           

            <telerik:RadGrid AutoGenerateColumns="False" ID="gdListAccountDeactivate" AllowFilteringByColumn="true"

                Width="100%" AllowPaging="True" AllowSorting="True" AllowRowSelect="true" runat="server"

                OnItemCommand="gdListAccountDeactivate_ItemCommand">

                <ClientSettings>

                    <Selecting AllowRowSelect="True" />     

                </ClientSettings>

                <PagerStyle Mode="NextPrevAndNumeric" />

                <GroupingSettings CaseSensitive="false" />

                <MasterTableView TableLayout="Fixed">

                    <Columns>

                       <telerik:GridBoundColumn HeaderText="EmailID" DataField="emailID" ItemStyle-Width="200px"

                        SortExpression="emailID" HeaderStyle-Width="200px" FilterControlWidth="180px"

                        AutoPostBackOnFilter="true" CurrentFilterFunction="Contains" />

                                                

                       <telerik:GridButtonColumn ConfirmText="Deactivate this User?" ConfirmDialogType="RadWindow" HeaderStyle-HorizontalAlign="Center"

                        ConfirmTitle="Deactivate" ButtonType="ImageButton" ImageUrl="~/images/delete.gif" CommandName="Deactivate" Text="Deactivate"

                        UniqueName="DeleteColumn" HeaderText="Deactivate" ItemStyle-Width="50px" HeaderStyle-Width="50px">

                        <itemstyle horizontalalign="Center" cssclass="MyImageButton" />

                        </telerik:GridButtonColumn>

                    

                     <telerik:GridTemplateColumn UniqueName="appuserid" AllowFiltering="false" AutoPostBackOnFilter="false" ItemStyle-Width="50px" HeaderStyle-Width="50px" >

                        <ItemTemplate>

                            <telerik:RadTextBox Visible="false" ID="appUser" runat="server" Text='<%# Bind("appuserid") %>'>

                            </telerik:RadTextBox>

                            <asp:LinkButton ID="LinkButton2" Width="50px" CommandName="Redirect"

                                Text="Portfolio" runat="server"></asp:LinkButton>

                        </ItemTemplate>

                    </telerik:GridTemplateColumn>  

                       

                    </Columns>

                </MasterTableView>

            </telerik:RadGrid><br />

            <telerik:RadWindowManager ID="RadWindowManager2" runat="server"></telerik:RadWindowManager>

 

aspx.cs code:

 

protected void gdListAccountDeactivate_ItemCommand(object source, GridCommandEventArgs e)

    {

        if (e.CommandName == "Redirect")

        {

            GridDataItem item = (GridDataItem)e.Item;

            string ID = (item.FindControl("appUser") as RadTextBox).Text;

            string url = "Portfolio.aspx?ID=" + Security.QueryStringEncode(ID);

            Response.Redirect(url);

        }

        if (e.CommandName == "Deactivate")

        {

            GridDataItem item = (GridDataItem)e.Item;

            string appID = (item.FindControl("appUser") as RadTextBox).Text;

            int appuserid = Convert.ToInt32(appID);

            int lastupdatedby = Convert.ToInt32(Session["appuserid"]);

            Member objMember = new Member();

            objMember.DeactivateAccount(appuserid, lastupdatedby);

            BindGrid();

        }

    }

public void BindGrid()

    {

        int ImplementationID = 0;

        if (Session["ImplementationID"] == "")

        {

            ImplementationID = 0;

            ds = objAccount.FetchUser("Account Manager", ImplementationID);

        }

 

        if (ds.Tables[0].Rows.Count > 0)

        {

            gdListAccountDeactivate.DataSource = ds.Tables[0];

            gdListAccountDeactivate.DataBind();

        }

    }

Thanks

[Tsvetoslav]

Hello krish,

You need to use Advanced databinding as opposed to Simple databinding. Therefore, just move your databinding logic to the NeedDataSource event and call the grid's Rebind() method when you need to rebind the grid ouside of that event.

I hope it helps.

Greetings,
Tsvetoslav
the Telerik team

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