[Solved] jQuery DataTable not working after GridView CheckBox checked event in ASP.Net

jQuery DataTable plugin not working after GridView checkbox checked event 

Javascript

<script type='text/javascript'>   
      $(function () {
          $("[id=ContentPlaceHolder1_gvCompany]").DataTable(
        {
            bLengthChange: true,
            lengthMenu: [[5, 10, 25, -1], [5, 10, 25, "All"]],
            bFilter: true,
            bSort: false,
            bPaginate: true
        });
    });
</script>

Aspx

<asp:ScriptManager ID="ScriptManager1" runat="server" ></asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" UpdateMode="Conditional" runat="server">
<ContentTemplate>

<asp:GridView ID="gvCompany" runat="server" AutoGenerateColumns="false" Width="100%"  OnRowDataBound="OnRowDataBound" CssClass="table table-bordered table-striped"    DataKeyNames="field1">
<Columns>

<asp:TemplateField HeaderText="#" HeaderStyle-Width="20px" HeaderStyle-Font-Bold="true" HeaderStyle-HorizontalAlign="Left" ItemStyle-HorizontalAlign="Left">                                                                      
<ItemTemplate>
<asp:Label runat="server" ID="lblpono" Text=' <%# Container.DataItemIndex + 1 %>'></asp:Label>
</ItemTemplate>                                                                            
</asp:TemplateField>

        <asp:TemplateField HeaderStyle-HorizontalAlign="Left">
            <HeaderTemplate>
                <asp:CheckBox ID="chkAll" runat="server" AutoPostBack="true"  style="border: 1px solid #fff;" OnCheckedChanged="OnCheckedChanged"  />
            </HeaderTemplate>
            <ItemTemplate>
                <asp:CheckBox runat="server" AutoPostBack="true"  ID="chkDel" OnCheckedChanged="OnCheckedChanged"  />
            </ItemTemplate>
        </asp:TemplateField>
        <asp:TemplateField HeaderText="field2"  HeaderStyle-HorizontalAlign="Left" HeaderStyle-Font-Bold="true">
            <ItemTemplate>
                <asp:Label runat="server" Text='<%# Eval("field2") %>'></asp:Label>
                <asp:TextBox ID="TextBox1" runat="server" Text='<%# Eval("field2") %>'  CssClass="form-control"  Visible="false" Width="100%"></asp:TextBox>
            </ItemTemplate>
        </asp:TemplateField>
        <asp:TemplateField HeaderText="field3"  HeaderStyle-HorizontalAlign="Left"  HeaderStyle-Font-Bold="true">
            <ItemTemplate>
                <asp:Label ID="lblCountry" runat="server" Text='<%# Eval("field3") %>'></asp:Label>
                <asp:DropDownList ID="ddlCountries" runat="server"  CssClass="form-control"  Visible="false" Width="100%">
                </asp:DropDownList>
            </ItemTemplate>
        </asp:TemplateField>
    </Columns>
</asp:GridView>
<hr />
<asp:Button ID="btnUpdate" runat="server" Text="UPDATE" CssClass="btn btn-primary btn-xs"  OnClick="Update" Visible="false" />
<asp:Button ID="btnDelete" runat="server" Text="DELETE"  CssClass="btn btn-primary btn-xs"  OnClick="Delete" Visible="false" />

</ContentTemplate>
<Triggers>
</Triggers>        
</asp:UpdatePanel>

 Aspx.vb

Imports System.Data
Imports System.Linq
Imports System.Configuration
Imports System.Data.SqlClient
Partial Class GridView
    Inherits System.Web.UI.Page
    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 cmd As SqlCommand = New SqlCommand("SELECT field1, field2, field3 FROM table")
        gvCompany.DataSource = Me.ExecuteQuery(cmd, "SELECT")
        gvCompany.DataBind()
        gvCompany.UseAccessibleHeader = True
        gvCompany.HeaderRow.TableSection = TableRowSection.TableHeader
    End Sub
    Private Function ExecuteQuery(ByVal cmd As SqlCommand, ByVal action As String) As DataTable
        Dim conString As String = ConfigurationManager.ConnectionStrings("conString").ConnectionString
        Using con As SqlConnection = New SqlConnection(conString)
            cmd.Connection = con
            Select Case action
                Case "SELECT"
                    Using sda As SqlDataAdapter = New SqlDataAdapter()
                        sda.SelectCommand = cmd
                        Using dt As DataTable = New DataTable()
                            sda.Fill(dt)
                            Return dt
                        End Using
                    End Using
            End Select
            Return Nothing
        End Using
    End Function
    Protected Sub Update(ByVal sender As Object, ByVal e As EventArgs)
        For Each row As GridViewRow In gvCompany.Rows
            If row.RowType = DataControlRowType.DataRow Then
                Dim isChecked As Boolean = row.Cells(1).Controls.OfType(Of CheckBox)().FirstOrDefault().Checked
                If isChecked Then
                    Dim cmd As SqlCommand = New SqlCommand("UPDATE t_commast SET field2 = @field2, field3 = @field3 WHERE field1 = @field1")
                    cmd.Parameters.AddWithValue("@field2", row.Cells(2).Controls.OfType(Of TextBox)().FirstOrDefault().Text)
                    cmd.Parameters.AddWithValue("@field3", row.Cells(3).Controls.OfType(Of DropDownList)().FirstOrDefault().SelectedItem.Value)
                    cmd.Parameters.AddWithValue("@field1", gvCompany.DataKeys(row.RowIndex).Value)
                    Me.ExecuteQuery(cmd, "SELECT")
                End If
            End If
        Next

        btnUpdate.Visible = False
        btnDelete.Visible = False
        Me.BindGrid()
    End Sub
    Protected Sub Delete(ByVal sender As Object, ByVal e As EventArgs)
        For Each row As GridViewRow In gvCompany.Rows
            If row.RowType = DataControlRowType.DataRow Then
                Dim isChecked As Boolean = row.Cells(0).Controls.OfType(Of CheckBox)().FirstOrDefault().Checked
                If isChecked Then
                    Dim cmd As SqlCommand = New SqlCommand("DELETE FROM t_commast WHERE field1 = @field1")
                    cmd.Parameters.AddWithValue("@field1", gvCompany.DataKeys(row.RowIndex).Value)
                    Me.ExecuteQuery(cmd, "SELECT")
                End If
            End If
        Next

        btnUpdate.Visible = False
        btnDelete.Visible = False
        Me.BindGrid()
    End Sub
    Protected Sub OnRowDataBound(ByVal sender As Object, ByVal e As GridViewRowEventArgs)
        If e.Row.RowType = DataControlRowType.DataRow Then
            Dim cmd As SqlCommand = New SqlCommand("SELECT DISTINCT(field3) FROM t_commast")
            Dim ddlCountries As DropDownList = (TryCast(e.Row.FindControl("ddlCountries"), DropDownList))
            ddlCountries.DataSource = Me.ExecuteQuery(cmd, "SELECT")
            ddlCountries.DataTextField = "field3"
            ddlCountries.DataValueField = "field3"
            ddlCountries.DataBind()
            Dim country As String = (TryCast(e.Row.FindControl("lblCountry"), Label)).Text
            ddlCountries.Items.FindByValue(country).Selected = True
        End If
    End Sub
    Protected Sub OnCheckedChanged(ByVal sender As Object, ByVal e As EventArgs)
        Dim isUpdateVisible As Boolean = False
        Dim chk As CheckBox = (TryCast(sender, CheckBox))
        If chk.ID = "chkAll" Then
            For Each row As GridViewRow In gvCompany.Rows
                If row.RowType = DataControlRowType.DataRow Then
                    row.Cells(1).Controls.OfType(Of CheckBox)().FirstOrDefault().Checked = chk.Checked
                End If
            Next
        End If

        Dim chkAll As CheckBox = (TryCast(gvCompany.HeaderRow.FindControl("chkAll"), CheckBox))
        chkAll.Checked = True

        For Each row As GridViewRow In gvCompany.Rows
            If row.RowType = DataControlRowType.DataRow Then
                Dim isChecked As Boolean = row.Cells(1).Controls.OfType(Of CheckBox)().FirstOrDefault().Checked
                For i As Integer = 2 To row.Cells.Count - 1
                    row.Cells(i).Controls.OfType(Of Label)().FirstOrDefault().Visible = Not isChecked
                    If row.Cells(i).Controls.OfType(Of TextBox)().ToList().Count > 0 Then
                        row.Cells(i).Controls.OfType(Of TextBox)().FirstOrDefault().Visible = isChecked
                    End If
                    If row.Cells(i).Controls.OfType(Of DropDownList)().ToList().Count > 0 Then
                        row.Cells(i).Controls.OfType(Of DropDownList)().FirstOrDefault().Visible = isChecked
                    End If
                    If isChecked AndAlso Not isUpdateVisible Then
                        isUpdateVisible = True
                    End If
                    If Not isChecked Then
                        chkAll.Checked = False
                    End If
                Next
            End If
        Next

        btnUpdate.Visible = isUpdateVisible
        btnDelete.Visible = isUpdateVisible
    End Sub

End Class