Hello everybody i am a little bit stuck and unable to figure aout the problem i am having.... my buttun in bellow form doesn't do anything, this example is guided from http://demos.telerik.com/aspnet-ajax/editor/examples/saveindatabase/defaultcs.aspx only differnce is that i use sql database, here is my example:

this is cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using Telerik.Web.UI;


public partial class editVijesti_vijesti : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            ReadAllRecords();
        }
    }

   
    public void btnSpremi_Click(object sender, EventArgs e)
    {
        SqlConnection connection = CreateConnection();
        SqlCommand command= null;

        if (uredeneVijesti.Value != string.Empty)
        {
            command = new SqlCommand("UPDATE Vijesti SET Datum = Now(), TijeloVijesti = @content WHERE vijestiID= @nid", connection);
            command.Parameters.AddWithValue("content", EditorVijesti.Content);
            command.Parameters.AddWithValue("nid", Convert.ToInt32(uredeneVijesti.Value));
        }

        else
        {
            command = new SqlCommand("INSERT INTO Vijesti (Datum, TijeloVijesti) VALUES (Now(), @content)", connection);
            command.Parameters.AddWithValue("content", EditorVijesti.Content);
            
        }
        try
        {
            command.ExecuteNonQuery();
        }
        catch (Exception)
        { }
        connection.Close();
        this.Response.Redirect(this.Request.Url.PathAndQuery);

    }


    protected SqlConnection CreateConnection()
    {
        SqlConnection connection = new SqlConnection();
        connection.ConnectionString = "Data Source=mssql3.mojsite.com,1555;Initial Catalog=iskratrade_hai;Persist Security Info=True;User ID=iskratrade_hai;Password=091011br"; connection.Open();
        return connection;
    }

   
    protected void gridVijesti_ItemCommand(object sender, DataGridCommandEventArgs args)
    {
        SqlConnection connection = CreateConnection();
        if (args.CommandName == "Delete")
        {
            SqlCommand com = new SqlCommand("DELETE FROM  Vijesti WHERE vijestiID =@nid", connection);
            com.Parameters.AddWithValue("nid", args.Item.Cells[0].Text);
            com.ExecuteNonQuery();
            connection.Close();
        }
        else if (args.CommandName == "Edit")
        {
            SqlCommand command = new SqlCommand("SELECT TijeloVijesti FROM Vijesti WHERE vijestiID= @nid", connection);
            command.Parameters.AddWithValue("nid", args.Item.Cells[0].Text);
            SqlDataReader record = command.ExecuteReader();
            if (record.Read())
            {
                EditorVijesti.Content = record.GetString(0);
                uredeneVijesti.Value = args.Item.Cells[0].Text;
            }
            else
            {
                EditorVijesti.Content = "";
                uredeneVijesti.Value = "";
            }
            record.Close();

        }
        connection.Close();
        ReadAllRecords();
    }
    private void ReadAllRecords()
    {
        SqlConnection connection = CreateConnection();
        SqlCommand command2 = new SqlCommand("SELECT vijestiID, Datum, TijeloVijesti FROM Vijesti", connection);
        gridVijesti.DataSource = command2.ExecuteReader();
        gridVijesti.DataBind();
        connection.Close();
    }
 }
 and this is aspx page:
 <asp:ScriptManager ID="scriptmanager" runat="server"/>
           
        
        <div>
         <input type="hidden" name="uredeneVijesti" runat="server" id="uredeneVijesti" />

    <telerik:RadEditor ID="EditorVijesti" runat="server" SkinID="DefaultSetOfTools" 
            height="500px" Width="800px">
            <Modules>
              <telerik:EditorModule Name="RadEditorStatistics" Visible="false" Enabled="true" />
               <telerik:EditorModule Name="RadEditorDomInspector" Visible="false" Enabled="true" />
                            <telerik:EditorModule Name="RadEditorNodeInspector" Visible="false" Enabled="true" />
                            <telerik:EditorModule Name="RadEditorHtmlInspector" Visible="false" Enabled="true" />
            </Modules>
      

    <ImageManager ViewPaths="~/editVijesti" UploadPaths="~/editVijesti/slike/novo" DeletePaths="~/editVijesti/slike/obrisano" /> 
    <FlashManager DeletePaths="editVijesti/slike/obrisano" UploadPaths="~/editVijesti/slike/novo" ViewPaths="~/editVijesti/slike" />
    <DocumentManager DeletePaths="editVijesti/slike/obrisano" UploadPaths="~/editVijesti/slike/novo" ViewPaths="~/editVijesti/slike" />
    <MediaManager DeletePaths="editVijesti/slike/obrisano" UploadPaths="~/editVijesti/slike/novo" ViewPaths="~/editVijesti/slike" />
    <TemplateManager DeletePaths="editVijesti/slike/obrisano" UploadPaths="~/editVijesti/slike/novo" ViewPaths="~/editVijesti/slike" />
        </telerik:RadEditor>

        <br />
        <asp:Button ID="btnSpremi" runat="server" Text="Spremi u bazu" OnClick="btnSpremi_Click" />
        <br />
        <br />
       <asp:DataGrid ID="gridVijesti" runat="server" BorderWidth="1px" CellPadding="3" 
            AutoGenerateColumns="False" Width="620px" 
            OnItemCommand="gridVijesti_ItemCommand">
         <HeaderStyle Font-Names="Verdana" ForeColor="Black" BackColor="#d3e5fa" />
           <Columns>
             
               <asp:BoundColumn DataField="vijestiID"></asp:BoundColumn>
               <asp:ButtonColumn CommandName="Delete" ButtonType="LinkButton" 
                   HeaderText="Obriši" Text="Delete"></asp:ButtonColumn>
               <asp:ButtonColumn ButtonType="LinkButton" CommandName="Edit" HeaderText="Uredi" Text="Uredi"></asp:ButtonColumn>
               <asp:BoundColumn DataField="Datum" HeaderText="Datum"></asp:BoundColumn>

              <asp:BoundColumn DataField="TijeloVijesti" HeaderText="Tekst"></asp:BoundColumn>
             
           </Columns>
       </asp:DataGrid>

    </div>

problem is with the button btnSpremi no insert to database, tables are set to Datum-- datetame (data type) , vijestiID----int -is identity incremenet seed, and TijeloVijesti --nvarchar(MAX) .. .. unable to insert to database read from databse is working good delete also but insert nothing... please if you can look at the code,.. regards