i need to use condition in dropdown list

My source code is

   
 
   

   
   

 
    

    
        
    
    
     
      
           
               
         
             
             
         
       
           
           
       
       
       
       
       
       
       
       
       
       
       
       
      
       
       
       
       
       
       
       
     
       
       
       
       
       
       
       
       
       
       
       
       
       
       
       
       
       
           
           
       
         
         
         
         

DAILY PERFORMANCE
Text="Fille the below ">
Text="Date">
Text="Name">
Text="Project">	onselectedindexchanged="DropDownList6_SelectedIndexChanged" Width="175px"                       ValidationGroup="a">                     Select                     New                     Continuing

    
    
        
                              width="100%">
                
                    
                
                
                    
                    
                
                
                    
                
                
                    
                    
                
                
                    
                    
                
                
                    
                    
                
                
                    
                    
                
                
                    
                        
                        
                        
                        
                
                
                
                
                
                
                
                
                
                
                
            

DAILY PERFORMANCE
Text="Project Status has been given below">
Text="Project Name">
	Height="21px" onselectedindexchanged="DropDownList5_SelectedIndexChanged"                                  Width="183px">                                  Select                                  New                                  Continuing

        
        
                              width="100%">
                
                    
                
                
                
                
                
                
                
                
                
                
                
                
                
                    
                    
                
                
                    
                    
                
                
                    
                    
                
                
                    
                    
                
                
                
                
                
                
                
             
                    
                    
                
                
                
                    
                
                
                
                
                
                
                
                
                    
                
            

DAILY PERFORMANCE
Text="Project Title">
Text="Project Module">
	Height="21px" onselectedindexchanged="DropDownList4_SelectedIndexChanged"                              Width="166px">                              select                              Completed                              Pending
	TextMode="MultiLine">

        
    
 
  

    

My aspx.cs code is



 protected void Page_Load(object sender, EventArgs e)
    {
        Label15.Visible = false;
        txtpending.Visible = false;
        if (!IsPostBack)
        {
            string qrs = "select ID,Name from Mgt_Registration where ID='" + Session["Emp"] + "' ";
            DataSet ds = new DataSet();

            ds = su.GETDS(qrs);

            foreach (DataRow dr in ds.Tables[0].Rows)
            {
                lemid.Text = dr["ID"].ToString();
                 txtnamee.Text =dr["Name"].ToString();
            }
        }
        Label15.Visible = false;
        //TextBox10.Visible = false;
        MultiView1.Visible = true;
        MultiView1.SetActiveView(View1);  
    }



 protected void DropDownList4_SelectedIndexChanged(object sender, EventArgs e)
    {

        if (ddlstat.SelectedItem.ToString() == "Completed")
        {
           txtpending.Text = "";
           
            MultiView1.Visible = true;
            MultiView1.SetActiveView(View3);
            Label15.Visible = false;
           txtpending.Visible= false;
           
        }

        else if (ddlstat.SelectedItem.ToString() == "Pending")
        {
            MultiView1.Visible = true;
            MultiView1.SetActiveView(View3);

            Label15.Visible = true;
            txtpending.Visible = true;

        }








    }
    protected void DropDownList5_SelectedIndexChanged(object sender, EventArgs e)
    {
        if (ddltask.SelectedItem.ToString() == "Select")
        {
            MultiView1.Visible = true;
            MultiView1.SetActiveView(View2);
        }

        else if (ddltask.SelectedItem.ToString() == "New")
        {
            txtprojtitle.Text = "";
            txtprojmod.Text = "";
            txttasnam.Text = "";
            MultiView1.Visible = true;
            MultiView1.SetActiveView(View3);

        }
        else if (ddltask.SelectedItem.ToString() == "Continuing")
        {
            MultiView1.Visible = true;
            MultiView1.SetActiveView(View3);
            string qr = ("select ProjectTitle,ProjectModule,TaskName from Technology");
            DataSet ds = new DataSet();
            ds = su.GETDS(qr);
            foreach (DataRow dr in ds.Tables[0].Rows)
            {
                txtprojtitle.Text = dr["ProjectTitle"].ToString();
                txtprojmod.Text = dr["ProjectModule"].ToString();
                txttasnam.Text = dr["TaskName"].ToString();

            }





        }




      





    }



   protected void Button4_Click(object sender, EventArgs e)
    {
        string qry = "insert into Technology (Date,EmployeeId,Name,Project,ProjectName,Description,Duration,Platform,Task,ProjectTitle,ProjectModule,TaskName,Status,Pending) values ('" + txtdate.Text;
        qry += "','" + lemid.Text;
        qry += "','" + txtnamee.Text;
        qry += "','" + ddlproject.SelectedItem.ToString();
        qry += "','" + txtprojname.Text;
        qry += "','" + txtdescription.Text;
        qry += "','" + txtduration.Text;
        qry += "','" + txtplatform.Text;
        qry += "','" + ddltask.SelectedItem.ToString();
        qry += "','" + txtprojtitle.Text;
        qry += "','" + txtprojmod.Text;
        qry += "','" + txttasnam.Text;
        qry += "','" + ddlstat.SelectedItem.ToString();
        qry += "','" + txtpending.Text;
        qry += "')";
        su.Insert(qry);
        lpjtd.Text = "s";
        MultiView1.Visible = true;
        MultiView1.SetActiveView(View1);
        Clear();
    }
    protected void DropDownList6_SelectedIndexChanged(object sender, EventArgs e)
    {

        if (ddlproject.SelectedItem.ToString() == "New")
        {
            MultiView1.Visible = true;
            MultiView1.SetActiveView(View2);
        }
        else if (ddlproject.SelectedItem.ToString() == "Continuing")
        {
            string qre = "select ProjectName,Description,Duration,Platform from Technology where pk in (select max(pk) from Technology where EmployeeId='" + lemid.Text + "' )";
                DataSet ds = new DataSet();
                ds = su.GETDS(qre);
                MultiView1.SetActiveView(View2);
                MultiView1.Visible = true;
                foreach (DataRow dr in ds.Tables[0].Rows)
                {
                    txtprojname.Text = dr["ProjectName"].ToString();
                    txtdescription.Text = dr["Description"].ToString();
                    txtduration.Text = dr["Duration"].ToString();
                    txtplatform.Text = dr["Platform"].ToString();
                }
            }
           


        }
    private void Clear()
    {
        txtnamee.Text = "";
        txtdate.Text = "";
        txtplatform.Text = "";
        txtprojmod.Text = "";
        txtprojname.Text = "";
        txtprojtitle.Text = "";
       txtpending.Text = "";
       txtdescription.Text = "";
        txtduration.Text = "";
        txttasnam.Text= "";
        lemid.Text = "";
      
       ddlproject.SelectedValue = "0";
        ddltask.SelectedValue = "0";
        ddlstat.SelectedValue = "0";


       
    }
    }




in that i need in continuing field i need a msg that u have completed the project if  i choose the Continuing (i need to show project is complted alreay) and multiview view3 have to show the ProjectTitle,ProjectModule,TaskName also.

else if (ddltask.SelectedItem.ToString() == "Continuing")
        {
            MultiView1.Visible = true;
            MultiView1.SetActiveView(View3);
            string qr = ("select ProjectTitle,ProjectModule,TaskName from Technology");
            DataSet ds = new DataSet();
            ds = su.GETDS(qr);
            foreach (DataRow dr in ds.Tables[0].Rows)
            {
                txtprojtitle.Text = dr["ProjectTitle"].ToString();
                txtprojmod.Text = dr["ProjectModule"].ToString();
                txttasnam.Text = dr["TaskName"].ToString();

            }