problem in getting the updated values of gridview

<pre> protected void UpdateRecord(object sender, GridViewUpdateEventArgs e)
       {
           HJSoftware.BusinessAcceess.BusinessAccess ba = new HJSoftware.BusinessAcceess.BusinessAccess();
           int EmpID = Int32.Parse(GridView1.DataKeys[e.RowIndex].Value.ToString());
           int intResult = 0;
           //string FileName = "";
           GridViewRow row = GridView1.Rows[e.RowIndex];
           DropDownList DdlGender = (DropDownList)row.FindControl("ddlGender");
           FileUpload ImageUpload = (FileUpload)row.FindControl("ImageUpload");
           FileUpload BiodataUpload = (FileUpload)row.FindControl("BiodataUpload");
           //TextBox DeptID = (TextBox)row.FindControl("txtDeptID");
           TextBox FirstName = (TextBox)row.FindControl("txtFirstName");
           TextBox LastName = (TextBox)row.FindControl("txtLastName");
           TextBox MiddleName = (TextBox)row.FindControl("txtMiddleName");
           TextBox Address1 = (TextBox)row.FindControl("txtAddress1");
           TextBox Address2 = (TextBox)row.FindControl("txtAddress2");
           TextBox State1 = (TextBox)row.FindControl("txtState1");
           TextBox ZipCode = (TextBox)row.FindControl("txtZipCode");
           //TextBox Gender = (TextBox)row.FindControl("txtGender");
           TextBox DOB = (TextBox)row.FindControl("txtDOB");
           TextBox Phone = (TextBox)row.FindControl("txtPhone");
           TextBox Email = (TextBox)row.FindControl("txtEmail");
           TextBox Designation = (TextBox)row.FindControl("txtDesignation");
           TextBox DateOfJoining = (TextBox)row.FindControl("txtDateOfJoining");
           TextBox DateOfReleving = (TextBox)row.FindControl("txtDateOfReleving");
           //FileTextBox BioData = (TextBox)row.FindControl("txtBioData");
          // TextBox Photo= (TextBox)row.FindControl("txtPhoto");
          // TextBox Status1 = (TextBox)row.FindControl("txtStatus1");
           Image image1 = (Image)row.FindControl("image");
           HyperLink hl1 = (HyperLink)row.FindControl("hl1");
           DropDownList DdlDept = (DropDownList)row.FindControl("DropDownList1");}

public int Update(int  EmpID,int DeptID,string FirstName,string LastName,string MiddleName,string Address1,
                     string Address2, string State1, int ZipCode, string Gender, int Phone,DateTime DOB, string Email, string Designation,DateTime DateOfJoining,DateTime DateOfReleving,string FileName,string BioData)
           {
            //this.connection();
            
            SqlCommand myCommand = new SqlCommand();
            SqlConnection myConnection = new SqlConnection(connectionString);
            myConnection.Open();
            myCommand = new SqlCommand("sp_UpdateEmployee", myConnection);
            myCommand.CommandType = CommandType.StoredProcedure;
            try
            {
                myCommand.Parameters.AddWithValue("@Photo", "images/" + FileName);
             myCommand.Parameters.AddWithValue("@EmpId",EmpID);
                myCommand.Parameters.AddWithValue("@DeptId",DeptID);
             myCommand.Parameters.AddWithValue("@FirstName",FirstName );
             myCommand.Parameters.AddWithValue("@LastName",LastName );
                 myCommand.Parameters.AddWithValue("@MiddleName",MiddleName );
             myCommand.Parameters.AddWithValue("@Address1",Address1 );
             myCommand.Parameters.AddWithValue("@Address2",Address2 );
             myCommand.Parameters.AddWithValue("@State1",State1 );
             myCommand.Parameters.AddWithValue("@ZipCode",ZipCode );
              myCommand.Parameters.AddWithValue("@Gender",Gender );
             myCommand.Parameters.AddWithValue("@DOB",DOB );
              myCommand.Parameters.AddWithValue("@Phone",Phone );
              myCommand.Parameters.AddWithValue("@Email",Email );
              myCommand.Parameters.AddWithValue("@Designation",Designation );
             myCommand.Parameters.AddWithValue("@DateOfJoining",DateOfJoining );
              myCommand.Parameters.AddWithValue("@DateOfReleving", DateOfReleving);
              myCommand.Parameters.AddWithValue("@BioData",BioData );
             // myCommand.Parameters.AddWithValue("@Photo",photo );
             //myCommand.Parameters.AddWithValue("@Status1",Status1);
             // myCommand.Parameters.AddWithValue("@MiddleName",MiddleName);*/

                return myCommand.ExecuteNonQuery();

            }

            catch
            {

                throw;

            }

            finally
            {

                myCommand.Dispose();

                myConnection.Close();

                myConnection.Dispose();

    }