[Solved] how to generate textboxes after postbak in radgrid, here i ma getting session val after selecting dropdown.

[chennaiah P]

protected void Page_Init(object sender, EventArgs e)
        {

            string strPlant = string.Empty;            

            if (Session["PlantVal"] != null)
            {
                strPlant = Session["PlantVal"].ToString();

                if (strPlant != null && strPlant.Trim().Length > 0)
                {
                    DefineGridStructure(strPlant);
                }
            }
            
        }


public DataTable DefineGridStructure(string strPlant)
        {
            dtRakeLoad = new DataTable();

            Plants oplant = new Plants();
            GridBoundColumn boundColumn = new GridBoundColumn();
            dtRakeLoad .Columns.Add("Date", typeof(string));
            this.RadGrid1.MasterTableView.Columns.Add(boundColumn);
            boundColumn.DataField = "Date";
            boundColumn.UniqueName = "Date";
            boundColumn.HeaderText = "Date";
            boundColumn.DataType = System.Type.GetType("System.String");


            GridBoundColumn boundColumn1;

            DataSet ds = new DataSet();
            ds = oplant.GetChildCode(strPlant);
            string strChildCode = ds.Tables[0].Rows[0][0].ToString();
            Session["ChildCode"] = strChildCode;
            DataTable dtgroup = new DataTable();
            string strgroup = strChildCode;
            dtgroup = oplant.GetPlant(strgroup);

            DataRow dtRow = null;
            if (dtgroup != null)
            {
                foreach (DataRow dr in dtgroup.Rows)
                {
                    String sPlantName = "";
                    String sPlantCode = "";                    
                    sPlantCode = dr["PlantCode"].ToString();
                    dtRakeLoad .Columns.Add(sPlantCode, typeof(string));
                    boundColumn1 = new GridBoundColumn();
                    this.RadGrid1.MasterTableView.Columns.Add(boundColumn1);
                    boundColumn1.DataField = sPlantCode;
                    boundColumn1.UniqueName = sPlantCode;
                    boundColumn1.HeaderText = sPlantCode;
                    boundColumn1.DataType = System.Type.GetType("System.String");

                }

            }

            

            string templateColumnName = "Total";
            GridTemplateColumn templateColumn = new GridTemplateColumn();
            dtRakeLoad .Columns.Add("Total", typeof(string));
            templateColumn.ItemTemplate = new MyTemplate1(templateColumnName);
            this.RadGrid1.MasterTableView.Columns.Add(templateColumn);
            templateColumn.UniqueName = "Total";
            templateColumn.DataField = "Total";
            templateColumn.HeaderText = "Total";
            templateColumn.DataType = System.Type.GetType("System.String");


            DataTable dtport = new DataTable();
            dtport = oplant.GetPortName(strgroup);
            GridTemplateColumn templateColumn1;
            if (dtport != null)
            {

                foreach (DataRow dr in dtport.Rows)
                {
                    string sPortName = "";
                    string sPortCode = "";
                    sPortName = dr["PortName"].ToString();
                    sPortCode = dr["PortCode"].ToString();


                    dtRakeLoad .Columns.Add(sPortName, typeof(string));
                    templateColumn1 = new GridTemplateColumn();

                    this.RadGrid1.MasterTableView.Columns.Add(templateColumn1);
                    templateColumn1.ItemTemplate = new TemplatePort(sPortCode);

                    templateColumn1.DataField = sPortName;
                    templateColumn1.UniqueName = sPortName;
                    templateColumn1.HeaderText = sPortName;
                    templateColumn1.DataType = System.Type.GetType("System.String");


                }
            }

            string templateColumnName2 = "UnAllot";
            GridTemplateColumn templateColumn2 = new GridTemplateColumn();
            dtRakeLoad.Columns.Add("UnAllot", typeof(string));
            templateColumn2.ItemTemplate = new MyTemplate3(templateColumnName2);            
            this.RadGrid1.MasterTableView.Columns.Add(templateColumn2);
            templateColumn2.UniqueName = "Unallot";
            templateColumn2.HeaderText = "UnAllot";
            templateColumn2.DataField = "UnAllot";
            templateColumn2.DataType = System.Type.GetType("System.String");

            string templateColumnName3 = "Rake";
            GridTemplateColumn templateColumn3 = new GridTemplateColumn();
            dtRakeLoad.Columns.Add("Rake", typeof(string));
            templateColumn3.ItemTemplate = new MyTemplate4(templateColumnName3);
            this.RadGrid1.MasterTableView.Columns.Add(templateColumn3);
            templateColumn3.DataField = "Rake";
            templateColumn3.UniqueName = "Rake";
            templateColumn3.HeaderText = "Rake";
            templateColumn3.DataField = "Rake";
            templateColumn3.DataType = System.Type.GetType("System.String");           
            RadGrid1.DataSource = dtRakeLoad;
            return dtRakeLoad;
}