Try
   SqlConnection1.Open()
   SqlDataAdapter1.Fill(Me.DsPubs1)
Catch ex As Exception
   If Request.IsLocal Then
      Session("CurrentError") = ex.Message
    Else
      Session("CurrentError") = "Error processing page."
    End If
    Server.Transfer("ApplicationError.aspx")
Finally
       SqlConnection1.Close()
End Try

try
{
    sqlConnection1.Open();
    sqlDataAdapter1.Fill(dsCustomers1);
}
catch (Exception ex)
{
    if(Request.IsLocal)
    { Session["CurrentError"] = ex.Message; }
    else
    { Session["CurrentError"] = "Error processing page."; }
    Server.Transfer("ApplicationError.aspx");
}
finally 
{
    this.sqlConnection1.Close();
}