C#+ Database Update Through The Datagrid View+ Windows Forms+ Very Urgent

[radhikabista]

hey friends , i m not being able to save the updates in datagrid view when i press buttonsave_ gridview i have a class customer with two methods one to get the dataset and other to update database:

i dont know what is the problem with my code.
i always get UPDATE syntax run time error, as i press button_save_gro d view :
please help me.
my code goes like this:

public class customer
{
  // private static string strConn;
 
        private static DataTable ds;
 
 
   public  DataTable getdataset(string fname, DataGridView dg)
   {
        OleDbConnection con = new OleDbConnection(@"provider= Microsoft.Jet.OLEDb.4.0; Data Source = D:\My Documents\Visual Studio 2005\Projects\db2.mdb");
        con.Open();
 
        OleDbDataAdapter thisadapter1 = new OleDbDataAdapter("Select * from tbl_client where fname= '" + fname + "'", con);
        //OleDbCommandBuilder cd = new OleDbCommandBuilder(thisadapter1);
        ds = new DataTable();
        thisadapter1.Fill(ds);
 
        dg.BringToFront();
        dg.Visible = true;
        BindingSource bsource = new BindingSource();
        bsource.DataSource = ds;
        dg.DataSource = bsource;
        dg.Columns[0].Visible = false;
        dg.Columns[1].Visible = false;
        dg.Columns[2].HeaderText = "Fname";
        dg.Columns[2].Width = 45;
        dg.Columns[3].HeaderText = "Lname";
        dg.Columns[3].Width = 45;
        dg.Columns[5].HeaderText = "Gender";
        dg.Columns[5].Width = 46;
        dg.Columns[6].HeaderText = "Address";
        dg.Columns[6].Width = 48;
        dg.Columns[4].Visible = false;
        dg.Columns[7].HeaderText = "Phone";
        dg.Columns[7].Width = 45;
        dg.Columns[8].HeaderText = "Mobile";
        dg.Columns[8].Width = 45;
        dg.Columns[9].HeaderText = "Email";
        dg.Columns[9].Width = 45;
        dg.Columns[10].HeaderText = "Project_ID";
        dg.Columns[10].Width = 55;
        dg.Columns[11].HeaderText = "Visit Date";
        dg.Columns[11].Width = 55;
        dg.Columns[12].HeaderText = "Agent";
        dg.Columns[12].Width = 45;
        dg.Columns[13].HeaderText = "FeedBack";
        dg.Columns[14].HeaderText = "Remarks";
        string feedback = "FeedBack";
        dg.Columns[13].HeaderText = feedback;
 
        return ds;
 
   }
 
 
  public int update()
   {
      OleDbConnection con = new OleDbConnection(@"provider= Microsoft.Jet.OLEDb.4.0; Data Source = D:\My Documents\Visual Studio 2005\Projects\db2.mdb");
      con.Open();
 
     string sqlUpdate;
      sqlUpdate = "Update tbl_client Set date= @p2, fname=@p3, lname= @p4, mname= @p5, gender= @p6, address= @p7, phone= @p8, mobile=@p9, email=@p10, project_id= @p11, visit_date= @p12, agent= @p13, feetdback1= @p14, remarks= @p15 Where client_id= '@p1'";
      OleDbParameter[] pUpdate = new OleDbParameter[15];
 
 
      pUpdate[0] = new OleDbParameter("@p1", OleDbType.VarChar, 40,"client_id");
      pUpdate[1] = new OleDbParameter("@p2", OleDbType.DBDate, 30, "date");
      pUpdate[2] = new OleDbParameter("@p3", OleDbType.VarChar, 40,"fname");
      pUpdate[3] = new OleDbParameter("@p4", OleDbType.VarChar, 20,"lname");
      pUpdate[4] = new OleDbParameter("@p5", OleDbType.VarChar, 20,"mname");
      pUpdate[5] = new OleDbParameter("@p6", OleDbType.VarChar, 40, "gender");
      pUpdate[6] = new OleDbParameter("@p7", OleDbType.VarChar, 40, "address");
      pUpdate[7] = new OleDbParameter("@p8", OleDbType.Numeric, 9, "phone");
      pUpdate[8] = new OleDbParameter("@p9", OleDbType.Numeric, 9, "mobile");
      pUpdate[9] = new OleDbParameter("@p10", OleDbType.VarChar, 40, "email");
      pUpdate[10] = new OleDbParameter("@p11", OleDbType.VarChar, 40, "project_id");
      pUpdate[11] = new OleDbParameter("@p12", OleDbType.Date, 40, "visit_date");
      pUpdate[12] = new OleDbParameter("@p13", OleDbType.VarChar, 40, "agent");
      pUpdate[13] = new OleDbParameter("@p14", OleDbType.VarChar, 40, "feedback1");
      pUpdate[14] = new OleDbParameter("@p15", OleDbType.VarChar, 30, "remarks");
 
      OleDbCommand cmdUpdate = new OleDbCommand(sqlUpdate,con);
     // cmdUpdate.Parameters.AddRange(pUpdate);
 
 
      OleDbDataAdapter da = new OleDbDataAdapter();
      da.UpdateCommand  = cmdUpdate;
      int i=da.Update(ds);
      ds.AcceptChanges();
       if(i>0)
       {
       MessageBox.Show("database updated");
     }
     return i;
    }
 
 
 }

thanks in advance
Radhika

[kenobewan]

This wouldn't have something to do with the client_id. Why is the parameter is sngle quotes and why isn't it an integer?