ASP.NET

ViewState["member_id"] = Convert.ToString(sql_reader["member_guid"]);

<a href="<%# String.Format("{0}/{1}", Page.RouteData.Values["ADDRESS"], Eval("post_guid")) %>"><img src="<%# String.Format("{0}/{1}/posts/{2}/{3}.png", Application["MemberMediaDirectory"], ViewState["member_guid"], Eval("post_guid"), Eval("member_post_media_guid")) %>" alt="<%# Eval("member_post_media_title") %>" title="<%# Eval("member_post_media_title") %>" width="906px" height="360px" id="<%# Eval("member_post_media_id") %>"/></a>

try
{
   SqlCommand cmd = new SqlCommand();
   cmd.Parameters.Clear();
   cmd.CommandType = CommandType.StoredProcedure;
   cmd.CommandText = "insertdata";
   if (rbt_Male.Checked)
   {
       cmd.Parameters.AddWithValue("@Name", txtbx_Name.Text);
       cmd.Parameters.AddWithValue("@Gender_Male", rbt_Male.Text);
       cmd.Parameters.AddWithValue("@Email", txtbx_Email.Text);
       cmd.Parameters.AddWithValue("@Dob", Convert.ToDateTime(txt_Dob.Text));
   }
   else if (rbt_Female.Checked)
   {
       cmd.Parameters.AddWithValue("@Name", txtbx_Name.Text);
       cmd.Parameters.AddWithValue("@Gender_Female", rbt_Male.Text);
       cmd.Parameters.AddWithValue("@Email", txtbx_Email.Text);
       cmd.Parameters.AddWithValue("@Dob", Convert.ToDateTime(txt_Dob.Text));
   }
   if (con.State == ConnectionState.Closed)
       con.Open();
   SqlCommand dataCommand = new SqlCommand(sql, dataConnection);
   cmd.ExecuteNonQuery();
   lbl_Errormsg.Visible = true;
   lbl_Errormsg.Text = "Record Inserted Successfully";
   con.Close();
}
catch (Exception ex)
{
   lbl_Errormsg.Visible = true;
   lbl_Errormsg.Text = ex.Message;
}

<asp:Literal ID="Literal1" runat="server" Text='<%# Eval("post_comment_text") %>' ></asp:Literal>

Response.Redirect(String.Format("~/{0}/Comment/{1}", Page.RouteData.Values["ADDRESS"], Page.RouteData.Values["GUID"]), false);

if (Session["volow_member_id"] == null || Session["volow_member_guid"] == null)
{
    Response.Redirect("~/Signin/" + String.Format("~/{0}/Comment/{1}", Page.RouteData.Values["ADDRESS"], Page.RouteData.Values["GUID"]), false);
}
else
{
    Response.Redirect(String.Format("~/{0}/Comment/{1}", Page.RouteData.Values["ADDRESS"], Page.RouteData.Values["GUID"]), false);
}