ASP.NET

Public Sub ProcessRequest(ByVal context As HttpContext) Implements IHttpHandler.ProcessRequest
        Dim id As String = context.Request.QueryString("imageID")'Use the ID to get the image from sql
        Dim MyImage as Byte()

        'Your code to get the image and setting the MyImage byte array....

        context.Response.ContentType = "image/png" 'Depends on what type of image it is
        context.Response.BinaryWrite(MyImage)  
End Sub

protected void GridView_pm_RowDataBound(object sender, GridViewRowEventArgs e)
        {
            if (!String.IsNullOrWhiteSpace(txt_search.Text))
            {
                if (e.Row.RowType == DataControlRowType.DataRow)
                {
                    var rowView = e.Row.DataItem as DataRowView;
                    if (String.Compare(rowView["MachineTypeNo"].ToString(), txt_search.Text,true) == 0)
                    {
                        e.Row.BackColor = System.Drawing.Color.Yellow;
                    }
                    else
                    {
                        e.Row.BackColor = System.Drawing.Color.White;
                    }
                }
            }
        }

// jQuery code
$('input[type="text"]').keydown(function (e) {
   if(e.which == 13) {
      // Enter key pressed
      return false;
   }
});

Quote:

IsPostBack is a Page level property, that can be used to determine whether the page is being loaded in response to a client postback, or if it is being loaded and accessed for the first time.

Private Sub BindGrid()
    Dim constr As String = ConfigurationManager.ConnectionStrings("constr").ConnectionString
    Using con As New SqlConnection(constr)
        Using cmd As New SqlCommand("SELECT e.empID, e.empname, e.department, a.managerID, a.status FROM Emp e INNER JOIN Angulers a ON a.empID = e.empID WHERE a.status = 'Done' and e.ManagerID = @ManagerID and e.department = @Department")
            cmd.Parameters.AddWithValue("@ManagerID", querystring("ID"))
            cmd.Parameters.AddWithValue("@Department", querystring("dept"))
            
            Using sda As New SqlDataAdapter(cmd)
                Using dt As New DataTable()
                    sda.Fill(dt)
                    GridView1.DataSource = dt
                    GridView1.DataBind()
                End Using
            End Using
        End Using
    End Using
End Sub

"SELECT e.empID, e.empname, e.department, a.managerID, a.status FROM Emp e INNER JOIN Angulers a ON a.empID = e.empID WHERE a.status = 'Done' and e.ManagerID = "&querystring("ID") & " and e.department = '"&querystring("dept") & "' ")