public partial class _Default : System.Web.UI.Page
{
    private bool mInserted = false;
 
    protected void Page_Load(object sender, EventArgs e) {
        mInserted = false;
    }
    protected void ASPxGridView1_CustomJSProperties(object sender, ASPxGridViewClientJSPropertiesEventArgs e) {
        e.Properties["cpIsInserted"] = mInserted.ToString();
    }

    <dxwgv:ASPxGridView ID="ASPxGridView1" runat="server" AutoGenerateColumns="False"
        DataSourceID="AccessDataSource1" KeyFieldName="CategoryID" 
        OnCustomJSProperties="ASPxGridView1_CustomJSProperties" 
        onrowinserted="ASPxGridView1_RowInserted">
        <ClientSideEvents EndCallback="function(s, e) {
    if (s.cpIsInserted == 'True') alert('Inserted!');
}" />

    protected void ASPxButton1_Click(object sender, EventArgs e)
    {
        object key = ASPxGridView1.GetRowValues(2, "CategoryID");
        ASPxGridView1.Selection.SelectRowByKey(key);
 
    }

        public const string SafeUrlCharacters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_.~";

        /// <summary>
        /// Encrypts a string at the current user's scope using DPAPI.
        /// </summary>
        /// <param name="toEncrypt">The string to encrypt.</param>
        /// <param name="key">The key used to encrypt it.</param>
        /// <returns>
        /// The encrypted bytes that only the current user, with the specified key,
        /// can decrypt again.
        /// </returns>
        /// <seealso cref="CR_CodeTweet.ByteExtensions.Decrypt" />

        /// <summary>
        /// URL-encodes a string for use with OAuth.
        /// </summary>
        /// <param name="toEncode">
        /// The string to encode.
        /// </param>
        /// <returns>
        /// A URL-encoded string where all of the encoded characters are upper-case.
        /// </returns>
        /// <remarks>

        protected void ASPxGridView3_BeforePerformDataSelect(object sender, EventArgs e)
        {
            Session["OrderID"] = (sender as ASPxGridView).GetMasterRowKeyValue();
        }
 
        protected void ASPxGridView2_BeforePerformDataSelect(object sender, EventArgs e)
        {
            Session["CustomerID"] = (sender as ASPxGridView).GetMasterRowKeyValue();
        }