i need to use condition in dropdown list

Question

My source code is
<link type="text/css" href="../jquery/jquery.datepick.css" rel="stylesheet" />
    <script language="ecmascript" type="text/javascript" src="../jquery/jquery.min.js"></script>
 
    <script type="text/javascript" src="../jquery/jquery.datepick.js"></script>

   
    <script type="text/javascript" language="javascript">


$(function()
{
         $('#ctl00_ContentPlaceHolder1_txtdate').datepick();       
        $('#inlineDatepicker').datepick({onSelect: showDate});
    });
  function showDate(date) {
        alert('The date chosen is ' + date);
       
    }
</script>

 <script type="text/javascript" language="javascript">
function sss()
{
var sure=document.getElementById("ctl00_ContentPlaceHolder1_TextBox8").value;
if(sure=="")
{
alert("Enter Suresh");
document.getElementById('ctl00_ContentPlaceHolder1_TextBox8').focus();
return false;
}
}


</script>
     <form id="form1" runat="server">
     <asp:MultiView ID="MultiView1" runat="server">
        
     <asp:View ID="View1" runat="server">
    
      <table class="style1" width="100%" style="border-style: groove; border-width: thin">
       <tr style="background: #1d599e; height: 10px;">
            <td align="center" style="color:White" colspan="2">
                DAILY PERFORMANCE</td>
                </tr>
          <tr>
              <td align="center" colspan="2">
                  <asp:Label ID="Label4" runat="server" style="font-size: 13px"
                      Text="Fille the below "></asp:Label>
              </td>
             
          </tr>
        <tr>
            <td class="style5">
               <asp:Label ID="Label11" runat="server" style="font-size: 11px"
                    Text="Date"></asp:Label> &nbsp;</td>
            <td>
                <asp:TextBox ID="txtdate" runat="server" Height="15px" Width="175px"></asp:TextBox>
            </td>
        </tr>
       
       
        <tr>
        <td class="style5">
            <asp:Label ID="lempid" runat="server" style="font-size:11px" Text="Employee Id"></asp:Label>
       
        </td>
       
       
        <td class="style14">
            <asp:Label ID="lemid" runat="server" Text=""></asp:Label>
       
        </td>
       
        </tr>
       
       
      
       
       
       
       
       
        <tr>
        <td class="style5">
       <asp:Label ID="Label12" runat="server" style="font-size: 11px"
                    Text="Name"></asp:Label> &nbsp;</td>
     
       
        <td>
        <asp:TextBox ID="txtnamee" runat="server" Height="15px" Width="175px"></asp:TextBox>
       
        </td>
       
       
       
        </tr>
       
       
       
       
       
       
       
       
       
       
        <tr>
            <td class="style5">
                <asp:Label ID="Label2" runat="server" style="font-size: 11px"
                    Text="Project"></asp:Label>
            </td>
            <td>
                <asp:DropDownList ID="ddlproject" runat="server" AutoPostBack="True"
                    onselectedindexchanged="DropDownList6_SelectedIndexChanged" Width="175px"  
                    ValidationGroup="a">
                    <asp:ListItem Value="0">Select</asp:ListItem>
                    <asp:ListItem Value="1">New</asp:ListItem>
                    <asp:ListItem Value="2">Continuing</asp:ListItem>
                </asp:DropDownList>
            </td>
        </tr>
         
         
         
          </table>
     </asp:View>
    
         <asp:View ID="View2" runat="server">
             <table class="style1" style="border-style: groove; border-width: thin"
                 width="100%">
                 <tr style="background: #1d599e; height: 10px;">
                     <td align="center" colspan="2" style="color:White">
                         DAILY PERFORMANCE </td>
                 </tr>
                 <tr>
                     <td align="center" class="style3">
                         </td>
                     <td class="style14">
                     </td>
                 </tr>
                 <tr>
                     <td align="left" class="style5" colspan="2">
                        
                         <asp:Label ID="Label3" runat="server" style="font-size: 12px; color: #666666;"
                             Text="Project Status has been given below"></asp:Label>
                     </td>
                 </tr>
                 <tr>
                     <td class="style3">
                         <asp:Label ID="Label5" runat="server" style="font-size:11px;"
                             Text="Project Name"></asp:Label>
                     </td>
                     <td>
                         <asp:TextBox ID="txtprojname" runat="server" Height="15px" Width="175px"></asp:TextBox>
                     </td>
                 </tr>
                 <tr>
                     <td class="style3">
                         <asp:Label ID="Label6" runat="server" style="font-size:11px;" Text="Description"></asp:Label>
                         <br />
                     </td>
                     <td class="style7">
                         <asp:TextBox ID="txtdescription" runat="server" Height="15px" Width="175px"></asp:TextBox>
                     </td>
                 </tr>
                 <tr>
                     <td class="style3">
                         <asp:Label ID="Label7" runat="server" style="font-size:11px;" Text="Duration"></asp:Label>
                         <br />
                     </td>
                     <td>
                         <asp:TextBox ID="txtduration" runat="server" Height="15px" Width="175px"></asp:TextBox>
                     </td>
                 </tr>
                 <tr>
                     <td class="style3">
                         <asp:Label ID="Label8" runat="server" style="font-size:11px;" Text="Platform"></asp:Label>
                         <br />
                     </td>
                     <td>
                         <asp:TextBox ID="txtplatform" runat="server" Height="15px" Width="175px"></asp:TextBox>
                     </td>
                 </tr>
                 <tr>
                     <td class="style3">
                     <asp:Label ID="Label13" runat="server" style="font-size:11px;" Text="Task"></asp:Label>
                         &nbsp;</td>
                        
                         <td>
                        
                             <asp:DropDownList ID="ddltask" runat="server" AutoPostBack="True"
                                 Height="21px" onselectedindexchanged="DropDownList5_SelectedIndexChanged"
                                 Width="183px">
                                 <asp:ListItem Value="0">Select</asp:ListItem>
                                 <asp:ListItem Value="1">New</asp:ListItem>
                                 <asp:ListItem Value="2">Continuing</asp:ListItem>
                             </asp:DropDownList>
                        
                        
                         </td>
                        
                        
                 </tr>
                
                
                 <tr>
                
                 <td class="style3">
                     &nbsp;</td>
                 <td>
                   
                     &nbsp;</td>
                 </tr>
                
                
                
             </table>
         </asp:View>
         <asp:View ID="View3" runat="server">
             <table class="style1" style="border-style: groove; border-width: thin"
                 width="100%">
                 <tr style="background: #1d599e;">
                     <td align="center" colspan="2" style="color:White">
                        DAILY PERFORMANCE</td>
                 </tr>
                
                 <tr>
                 <td class="style12">
                
                 </td>
                
                 <td>
                
                 </td>
                
                 </tr>
                
                
                
                
                 <tr>
                     <td class="style11">
                         <asp:Label ID="Label9" runat="server" style="font-size:11px;"
                             Text="Project Title"></asp:Label>
                     </td>
                     <td>
                         <asp:TextBox ID="txtprojtitle" runat="server" Height="15px" Width="175px"></asp:TextBox>
                     </td>
                 </tr>
                 <tr>
                     <td class="style11">
                         <asp:Label ID="Label10" runat="server" style="font-size:11px;"
                             Text="Project Module"></asp:Label>
                     </td>
                     <td>
                         <asp:TextBox ID="txtprojmod" runat="server" Height="15px" Width="175px"></asp:TextBox>
                     </td>
                 </tr>
                 <tr>
                     <td class="style11">
                         <asp:Label ID="Label1" runat="server" style="font-size: 11px;" Text="TaskName"></asp:Label>
                     </td>
                     <td>
                         <asp:TextBox ID="txttasnam" runat="server" Height="15px" Width="175px"></asp:TextBox>
                     </td>
                 </tr>
                 <tr>
                     <td align="left" class="style12">
                         <asp:Label ID="Label14" runat="server" style="font-size:11px;" Text="Status"></asp:Label>
                     </td>
                     <td>
                    
                         <asp:DropDownList ID="ddlstat" runat="server" AutoPostBack="True"
                             Height="21px" onselectedindexchanged="DropDownList4_SelectedIndexChanged"
                             Width="166px">
                             <asp:ListItem Value="0">select</asp:ListItem>
                             <asp:ListItem Value="1">Completed</asp:ListItem>
                             <asp:ListItem Value="2">Pending</asp:ListItem>
                         </asp:DropDownList>
                    
                     </td>
                 </tr>
                
                
                
                
                
                
              <tr>
                     <td align="left" class="style12">
                         <asp:Label ID="Label15" runat="server" style="font-size:11px;" Text="Pending"></asp:Label>
                     </td>
                     <td>
                      <asp:TextBox ID="txtpending" runat="server" Height="52px" Width="174px"
                             TextMode="MultiLine"></asp:TextBox>
                       
                     </td>
                 </tr>
                
                
                    
                
                
                
                
                
                
                
                 <tr>
                     <td align="center" class="style12" colspan="2">
                         <asp:Label ID="lpjtd" runat="server" style="font-size:11px;" Text=""></asp:Label>
                         <asp:Button ID="Button4" runat="server" onclick="Button4_Click" Text="Submit" />
                     </td>
                 </tr>
             </table>
         </asp:View>
    
 </asp:MultiView>
  

     </form>



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();

            }