GridView inside Update Panel Scrollable plugin not working after PostBack in ASP.Net

Hi antonio,

Please refer below sample.

HTML

<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:UpdatePanel ID="up" runat="server">
    <ContentTemplate>
        <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="false">
            <Columns>
                <asp:BoundField DataField="Id" HeaderText="Id" />
                <asp:BoundField DataField="Name" HeaderText="Name" />
                <asp:BoundField DataField="Country" HeaderText="Country" />
            </Columns>
        </asp:GridView>
        <asp:Button ID="Button1" runat="server" Text="Refresh" OnClick="Button1_Click" />
    </ContentTemplate>
</asp:UpdatePanel>
<script src="Scripts/jquery-1.4.1.min.js" type="text/javascript"></script>
<script src="Scripts/ScrollableGridPlugin_ASP.NetAJAX_3.0.js" type="text/javascript"></script>
<script type="text/javascript">
    var position = 0;
    $(document).ready(function () {
        $('#<%=GridView1.ClientID %>').Scrollable({
            ScrollHeight: 300,
            IsInUpdatePanel: true
        });
    });
    var prm = Sys.WebForms.PageRequestManager.getInstance();
    if (prm != null) {
        prm.add_endRequest(function (sender, e) {
            if (sender._postBackSettings.panelsToUpdate != null) {
                $('#<%=GridView1.ClientID %>').Scrollable({
                    ScrollHeight: 300,
                    IsInUpdatePanel: true
                });
            }
        });
    };
</script>

Namespaces

C#

using System.Data;
using System.Data.SqlClient;
using System.Configuration;

Vb.Net

Imports System.Data.SqlClient
Imports System.Data

Code

C#

protected void Page_Load(object sender, EventArgs e)
{
    if (!IsPostBack)
    {
        this.BindGrid();
    }
}

private void BindGrid()
{
    string constr = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
    using (SqlConnection con = new SqlConnection())
    {
        using (SqlCommand cmd = new SqlCommand("", con))
        {
            using (SqlDataAdapter da = new SqlDataAdapter())
            {
                DataTable dt = new DataTable();
                da.Fill(dt);
                GridView1.DataSource = dt;
                GridView1.DataBind();
            }
        }
    }
}

protected void Button1_Click(object sender, EventArgs e)
{
    this.BindGrid();
}

Vb.Net

Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
    If Not IsPostBack Then
        Me.BindGrid()
    End If
End Sub

Private Sub BindGrid()
    Dim constr As String = ConfigurationManager.ConnectionStrings("constr").ConnectionString
    Using con As SqlConnection = New SqlConnection()
        Using cmd As SqlCommand = New SqlCommand("", con)
            Using da As SqlDataAdapter = New SqlDataAdapter()
                Dim dt As DataTable = New DataTable()
                da.Fill(dt)
                GridView1.DataSource = dt
                GridView1.DataBind()
            End Using
        End Using
    End Using
End Sub

Protected Sub Button1_Click(ByVal sender As Object, ByVal e As EventArgs)
    Me.BindGrid()
End Sub

Screenshot