ASP.NET

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load<br />
       <br />
       Dim selectedItemID As Integer = CType(Session("SelectedItemID"), Integer)<br />
<br />
End Sub

Protected Sub itemsGridView_RowCommand(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewCommandEventArgs) Handles itemsGridView.RowCommand<br />
<br />
        Try<br />
<br />
            Dim selectedItemID As Integer = CType(Session("SelectedItemID"), Integer)<br />
            'Check for custom CommandName Argument<br />
            If e.CommandName = "SelectItem" Then<br />
<br />
                ' Convert the row index stored in the CommandArgument<br />
                ' property to an Integer.<br />
                Dim index As Integer = Convert.ToInt32(e.CommandArgument)<br />
<br />
                ' Retrieve the row that contains the ImageButton clicked<br />
                ' by the user from the Rows collection.<br />
                Dim row As GridViewRow = itemsGridView.Rows(index)<br />
<br />
                ' Get a handle on ImageButton clicked<br />
                Dim imgbtnItem As ImageButton<br />
                imgbtnItem = row.Cells(13).Controls(0)<br />
<br />
            <br />
                selectedItemID = row.Cells(0).Text<br />
<br />
                'Session("SelectedItemID") = selectedItemID<br />
         <br />
            End If<br />
        Catch ex As Exception<br />
            MsgBox(ex.Message.ToString, MsgBoxStyle.Information, "ItemsGridView RowCommand Error!")<br />
        End Try<br />
<br />
<br />
    End Sub

try<br />
        {<br />
            draw = new System.Drawing.Bitmap(intWidth, intHeight);<br />
            g = System.Drawing.Graphics.FromImage(draw);<br />
            g.Clear(System.Drawing.Color.White);<br />
<br />
            //Draw images onto new image<br />
<br />
            System.Drawing.Bitmap bitmap = null;<br />
            string temp = "";<br />
            for (int i = 0; i < 25; i++)<br />
            {<br />
                for (int j = 0; j < 25; j++)<br />
                {<br />
                    if (arrInformation[i, j] != temp)<br />
                    {<br />
                        bitmap = new System.Drawing.Bitmap(Request.MapPath(arrInformation[i, j]));<br />
                        g.DrawImage(bitmap, 25 * i, 25 * j, 24, 24);<br />
                        temp = arrInformation[i, j];<br />
                    }<br />
                    else<br />
                    {<br />
                        g.DrawImage(bitmap, 25 * i, 25 * j, 24, 24);<br />
                    }<br />
                }<br />
            }<br />
            <br />
            Response.ContentType = "image/gif";<br />
            draw.Save(Response.OutputStream, System.Drawing.Imaging.ImageFormat.Gif);