ASP.NET

vidhyap wrote:

I created one dropdownlist dynamically

vidhyap wrote:

list.SelectedIndexChanged += new EventHandler(list_SelectedIndexChanged);

vidhyap wrote:

selects some value in first dropdown then only based on that value I am going to create differnt number of dropdowns.

protected void ddlSurveyName_SelectedIndexChanged(object sender, EventArgs e)
    {


        if (ddlSurveyName.SelectedItem.Text != "Select")
        {
            int surveyIdentity = Convert.ToInt32(ddlSurveyName.SelectedValue);
            lblErrorSurveyName.Visible = false;
            ISession session = NHibernateSessionManager.Instance.GetSession();

            IQuery surveyAttributeQry = session.CreateQuery("from SurveyAttributeEntity se where SurveyID='" + surveyIdentity + "'");
            IList surveyAttributeList = surveyAttributeQry.List();
            foreach (SurveyAttributeEntity surveysAttributeEn in surveyAttributeList)
            {
                int surveyId = Convert.ToInt32(surveysAttributeEn.SurveyID);
                int attributeId = Convert.ToInt32(surveysAttributeEn.AttributeID);
                createddl(surveyId, attributeId);
            }
        }
        else
        {

            lblErrorSurveyName.Visible = true;
            lblErrorSurveyName.Text = Resources.VP_THAI.lblErrorSurveyName;
        }
        
            ddlExportTo.Enabled = false;
      
    }

protected void createddl(int surveyID, int attributeID)
    {
        ISession session = NHibernateSessionManager.Instance.GetSession();
        IQuery attributeValueQry = session.CreateQuery("from MasterValueEntity mve where TypeID='" + attributeID + "'");
        IList attributeValueList = attributeValueQry.List();
        IQuery labelValueQry = session.CreateQuery("from MASTERTYPEEntity mte where TypeID='" + attributeID + "'");
        IList labelValueList = labelValueQry.List();
        IQuery hierarchyValueQry = session.CreateQuery("from HierarchyEntity hierarchentity where Level="+1);
        IList hierarchyValueList = hierarchyValueQry.List();
        DropDownList list = new DropDownList();
        CheckBox chkAndAbove = new CheckBox();
        list.Items.Add("Select");
        Label label1 = new Label();
        
        if (attributeID == 0)
        {
            label1.Text = "Hierarchy";
            label1.Width = Unit.Percentage(60);
            label1.Height = Unit.Percentage(50);
            list.ID = "Hierarchy";
            list.AppendDataBoundItems = true;
            list.Width = Unit.Percentage(65);
            list.Items[0].Text = "Select";
            list.Items[0].Value = "-1";
            list.Items[0].Selected = true;
            list.DataValueField = "Id";
            list.DataTextField = "Hname";
            list.DataSource = hierarchyValueList;
            list.DataBind();
            list.AutoPostBack = true;
            list.SelectedIndexChanged += new EventHandler(list_SelectedIndexChanged);
            chkAndAbove.Text = "And Above";
        }
        else
        {
            foreach (MASTERTYPEEntity masterTypeEn in labelValueList)
            {
               list.ID = masterTypeEn.TypeName;
                label1.Text = masterTypeEn.TypeName;
                label1.Width = Unit.Percentage(60);
                label1.Height = Unit.Percentage(50);
            }
            list.AppendDataBoundItems = true;
            list.Width = Unit.Percentage(65);
            list.Items[0].Text = "Select";
            list.Items[0].Value = "-1";
            list.Items[0].Selected = true;
            list.DataValueField = "Id";
            list.DataTextField = "TypeDesc";
            list.DataSource = attributeValueList;
            list.DataBind();
            
           
        }
        PlaceHolder1.Controls.Add(label1);
        
        PlaceHolder2.Controls.Add(list);
        //PlaceHolder2.Controls.Add(chkAndAbove);
        PlaceHolder2.EnableViewState = true;
        session.Close();
        NHibernateSessionManager.Instance.CloseSession();
    }

now can you give me any suggestion to proceed on the same.


Regards
Vidhya

vidhyap wrote:

I just want to confirm one thing in page_init method can I use Request.Form so that i can get the value of dynamically created dropdownlist and fire the selectedindexchanged event for the same.