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I want to insert data into hierarchial when is exapnd button i should be able to see the data after expansion...

im getting no display in child the child column..
can anyone tell me how to proceed???This the code im using..and i want this without using datasource.
Thank You

protected void RadGrid_Details_DetailTableDataBind(object sender, GridDetailTableDataBindEventArgs e)
            var Value= e.DetailTableView.ParentItem;
               string ID = Value.GetDataKeyValue("ID").ToString();
               e.DetailTableView.DataSource = GetDataTable("SELECT * FROM databsename WHERE ID = '" + ID + "'");

        public DataTable GetDataTable(string query)
            SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["constr"].ToString());

            SqlDataAdapter da = new SqlDataAdapter("select * from databasename ", con);
            DataSet ds = new DataSet();
            da.Fill(ds, "databasename");
            RadGrid_Details.DataSource = ds;

            DataTable myDataTable = new DataTable();

            return myDataTable;
Updated 24-Mar-15 18:55pm
Richard Deeming 24-Mar-15 15:20pm    
Your code is vulnerable to SQL Injection[^].

NEVER use string concatenation to build a SQL query. ALWAYS use a parameterized query.
Member 11148509 24-Mar-15 22:18pm    
Sorry dint get u ..can u be a bit clear..

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