ASP.NET

Public Class UrlValidity

Public Shared Function IsValid(ByVal Url As String) As Boolean
Dim sStream As Stream
Dim URLReq As HttpWebRequest
Dim URLRes As HttpWebResponse

Try
     URLReq = WebRequest.Create(Url)
     URLRes = URLReq.GetResponse()
     sStream = URLRes.GetResponseStream()
     Dim reader As String = New StreamReader(sStream).ReadToEnd()
     Return True
Catch ex As Exception
     ‘Url not valid
     Return False
End Try
End Function

End Class

Farraj wrote:

passing the ID parameter from the first page (table 1) to the second page (showtour.aspx)

protected void Button1_Click(object sender, EventArgs e)
    {
        DataTable dt;
        DataRow drow;
        if (Session["datatable"] == null)
        {
            dt = new DataTable();
            
            DataColumn dcol = new DataColumn("Column1", typeof(string));
            //adding column to datatable
            dt.Columns.Add(dcol);
            int rowcount = 0;

            drow = dt.NewRow();
            dt.Rows.Add(drow);
            dt.Rows[rowcount][dcol] = TextBox1.Text;
            //add datatable to session
            Session.Add("datatable", dt);
        }
        else
        {
            dt = (DataTable)Session["datatable"];
            drow = dt.NewRow();
            dt.Rows.Add(drow);
            dt.Rows[dt.Rows.Count-1]["Column1"] = TextBox1.Text;

            //add datatable to session
            Session.Add("datatable", dt);
        }
            //bind gridview
            GridView1.DataSource = dt;
            GridView1.DataBind();
        
    }