[RESOLVED] unable to handle dynamically added usercontrol events

[vikrant3mahajan]

guys i hav a user control which has its own events defined in itself.
it works fine when i add the user control in page_load method of a page ,then the usercontrol defined event handling methods are called but when i add the user control dynamically in a page then the user controls does not calls its handling events...
i want the user control to call its defined event handling methods in dynamic addition tooo...somebody please help me..
here are the files required

check the bold regions in program codes for quick access to specific regions of concern


code behind file in C# using the user control

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;


public partial class editQuestion : System.Web.UI.Page
{
    Control c1;
    protected void Page_Load(object sender, EventArgs e)
    {
         
        //  c1 = LoadControl("./MCQ.ascx");
        //Panel2.Controls.Add(c1);
    }

    protected void DropDownList3_SelectedIndexChanged(object sender, EventArgs e)
    {
        if(DropDownList3.SelectedIndex == 1)
        {
            AccessDataSource1.SelectCommand = "SELECT DISTINCT [ID],[Title] FROM [type1]";
        }

        if(DropDownList3.SelectedIndex == 2)
        { AccessDataSource1.SelectCommand = "SELECT DISTINCT [ID],[Title] FROM [type2]"; }
        if(DropDownList3.SelectedIndex == 3)
        { AccessDataSource1.SelectCommand = "SELECT DISTINCT [ID],[Title] FROM [type3]"; }


        //DropDownList1.
    }
    MCQ c;
    protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
    {
       // Response.Write(DropDownList1.SelectedValue);

        if (DropDownList3.SelectedIndex == 1)
        {

             c = (MCQ)LoadControl("./MCQ.ascx");
             AccessDataSource2.SelectCommand = "SELECT DISTINCT [ID],[Title], [Choices] FROM [type1] WHERE ([ID] =" + DropDownList1.SelectedValue + ")";
             DataView dv = new DataView();
             dv = (DataView)AccessDataSource2.Select(DataSourceSelectArguments.Empty);
             //Response.Write(dv.ToTable().Rows[0].ItemArray[0] + " **** " + dv.ToTable().Rows[0].ItemArray[1]);
            // c.setTextbox1((dv.ToTable().Rows[0].ItemArray[1]).ToString());
            // c.setTextbox2((dv.ToTable().Rows[0].ItemArray[2]).ToString());
        //     c.ID=Convert.ToInt32((dv.ToTable().Rows[0].ItemArray[0]));
          //   c.edit = true;

            // c.b.Click += new EventHandler(this.b_Click);
             PlaceHolder1.Controls.Add(c);
       }
        if (DropDownList3.SelectedIndex == 2)
        {
         
            MCQ2 c = (MCQ2)LoadControl("./MCQ2.ascx");

            AccessDataSource2.SelectCommand = "SELECT DISTINCT [Title], [Choices] FROM [type2] WHERE ([ID] =" + DropDownList1.SelectedValue + ")";
            DataView dv = new DataView();
            dv = (DataView)AccessDataSource2.Select(DataSourceSelectArguments.Empty);
            //Response.Write(dv.ToTable().Rows[0].ItemArray[0] + " **** " + dv.ToTable().Rows[0].ItemArray[1]);
            c.setTextbox1((dv.ToTable().Rows[0].ItemArray[0]).ToString());
            c.setTextbox2((dv.ToTable().Rows[0].ItemArray[1]).ToString());
            Panel2.Controls.Add(c);    // here is the user control added to the panel in page......
            
        }
        if (DropDownList3.SelectedIndex == 3)
        {
            Textbox c = (Textbox)LoadControl("./Textbox.ascx");

            AccessDataSource2.SelectCommand = "SELECT DISTINCT [Title], [Choices] FROM [type3] WHERE ([ID] =" + DropDownList1.SelectedValue + ")";
            DataView dv = new DataView();
            dv = (DataView)AccessDataSource2.Select(DataSourceSelectArguments.Empty);
            //Response.Write(dv.ToTable().Rows[0].ItemArray[0] + " **** " + dv.ToTable().Rows[0].ItemArray[1]);
            c.setTextbox1((dv.ToTable().Rows[0].ItemArray[0]).ToString());
            //c.setTextbox2((dv.ToTable().Rows[0].ItemArray[1]).ToString());
            Panel2.Controls.Add(c);
        }
        if (DropDownList3.SelectedIndex == 4)
        {
            Textbox22 c = (Textbox22)LoadControl("./Textbox22.ascx");

            AccessDataSource2.SelectCommand = "SELECT DISTINCT [Title], [Choices] FROM [type2] WHERE ([ID] =" + DropDownList1.SelectedValue + ")";
            DataView dv = new DataView();
            dv = (DataView)AccessDataSource2.Select(DataSourceSelectArguments.Empty);
            //Response.Write(dv.ToTable().Rows[0].ItemArray[0] + " **** " + dv.ToTable().Rows[0].ItemArray[1]);
            c.setTextbox1((dv.ToTable().Rows[0].ItemArray[0]).ToString());
            c.setTextbox2((dv.ToTable().Rows[0].ItemArray[1]).ToString());
            Panel2.Controls.Add(c);
        }





    }

   
}

user control

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.OleDb; 

public partial class MCQ : System.Web.UI.UserControl
{
    //public Button b;
    OleDbConnection conn;
    string count="SELECT COUNT(ID) FROM type1";
    int count1;
    OleDbCommand res;
    public bool edit = false;
    public int ID = 0;
    public void setTextbox1(String s)
    {
        TextBox1.Text = s;
    }
    public void setTextbox2(String s)
    {
        TextBox2.Text = s;
    }

    protected void Page_Load(object sender, EventArgs e)
    {
      //  b = Button1;
        conn = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;data source="+Server.MapPath("db1.mdb") );
      //  conn = new OleDbConnection(s);
        conn.Open();
        
        res = new OleDbCommand(count, conn);
        OleDbDataReader read= res.ExecuteReader();
        read.Read();
        count1 =read.GetInt32(0);
      //this.butt  
        Button1.Click+=new EventHandler(Button1_Click);
    }
    public void Button1_Click(object sender, EventArgs e)-- the button event handler in the user control 
    {
        if (TextBox2.Text.Length == 0)
        {
            Response.Write("<script language = 'Javascript'>alert('INVALID INPUT');window.location.href = 'quest.aspx?control=MCQ'</script>");
            // System.Threading.Thread.Sleep(1000);
            //Server.Transfer("quest.aspx?control=MCQ");
            //Response.Redirect("quest.aspx?control=MCQ");

        }
        else
        {

                /////////////////////////////////////////////////////////////////////
                String question;
                question = TextBox1.Text;
                String temp = TextBox2.Text;
                temp = temp.Replace('\r', ' ');
                string[] temp2 = temp.Split(new char[] { '\n' });
                int choices = temp2.Length;
                int i = 0;
                String choicestore = "";
                while (i < temp2.Length)
                {
                    String ch = temp2[i];
                    int len = temp2[i].Length;
                    if ((i + 1) != temp2.Length)
                        choicestore += ch + ",";
                    else
                        choicestore += ch;
                    i++;
                }
                String query2 = "";
                if (!edit)
                {
                 query2 = "INSERT INTO type1 VALUES(" + (count1 + 1) + ",'" + question + "'," + choices + ",'" + choicestore + "');";
                ID = count1 + 1;
                }
                else
                {
                    query2 = "UPDATE type1 set Title='"+question + "',Choices='" +choicestore + "' WHERE ID="+ID+");";


                }
                    res = new OleDbCommand(query2, conn);
                res.ExecuteNonQuery();
                conn.Close();

               Response.Write("<script language = 'Javascript'>alert('Question added to database successfully');window.location.href = 'main.aspx'</script>");

                //Response.Redirect("main.aspx");

                //////////////////////////////////////////////////////////////////////
            
            
        }
        }
}

the button event handler is not called when i click on button in aspx page in which it is added infact the submit causes the user control to dissapear...and when i add in load method of page it works fine kindly some one help me..


i had also added the screen shot of the user control