sqlException was unhandled by user code incorrect syntax near ',' please help me dears : >     using System;
>     using System.Collections;
>     using System.Configuration;
>     using System.Data;
>     using System.Web;
>     using System.Web.Security;
>     using System.Web.UI;
>     using System.Web.UI.HtmlControls;
>     using System.Web.UI.WebControls;
>     using System.Web.UI.WebControls.WebParts;
>     using System.Data.SqlClient;
>     
>     
>     public partial class Student_InsertStudentDeta : System.Web.UI.Page
>     {
>         protected void Page_Load(object sender, EventArgs e)
>         {
>             lblMsg.Visible = false;
>              
>         }
>         protected void btnSave_Click(object sender, EventArgs e)
>         {
>             btnDelete.Enabled = false;
>             btnFindValuse.Enabled = false;
>             btnUpdate.Enabled = false;
>     
>           
>     
>             SqlConnection connection = new SqlConnection();
>             connection.ConnectionString = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
>             connection.Open();
>     
>            
>             SqlCommand cmd = new SqlCommand("Insert into MoHE_Student values (N'" + txtName.Text + "',N'" + txtSureName.Text + "',N'" +
> txtFatherName.Text + "',N'" + txtGFatherName.Text + "',N'" +
> txtBirthYear.Text + "',N'" + txtNIDC.Text + "',N'" + txtTabdily.Text +
> "',N'" + txtTitalMonugraf.Text + "',N'" +
> ddlJeldBook.SelectedItem.Text + "',N'" + txtDescription.Text + "',N'"
> + ddlUniversity.SelectedItem.Value + "',N'" + ddlFaculty.SelectedItem.Value + "',N'" +
> ddlDepartment.SelectedItem.Value + "'," + txtStudentRegBook.Text + ","
> + txtPageBook.Text + "," + ddlReciveBook.SelectedItem.Text + "," + txtGraduateYear.Text + "," + txtRegYear.Text + ",N'" +
> ddlKoncurExam.SelectedItem.Text + "',N'" +
> ddlDefaMonugraf.SelectedItem.Text + "',N'" +
> ddlYearDefa.SelectedItem.Text + "',N'" +
> ddlMonthDefa.SelectedItem.Text + "',N'" + ddlDayDefa.SelectedItem.Text
> + "',N'" + ddlTakeDiplom.SelectedItem.Text + "',N'" + txtPhonNum.Text + "',N'" + ddlGender.SelectedItem.Text + "',N'" + ddlDarajaTahsili.SelectedItem.Text + "',N'" + User.Identity.Name +
> "')", connection);
>            
>             **cmd.ExecuteNonQuery();** //ERROR IS HERE


