i have written a vb.net coding for linkin my vb interface to my access database...its all the same....but some linking codes i wrote work,for other forms,but sum don work...
this is 1...its a form to add staff in my system
Imports System.Data
Imports System.Data.OleDb
Public Class Form1
Dim ds As New DataSet
Dim data As New OleDbDataAdapter
Dim conn As New OleDbConnection
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
conn.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=F:\Group Project\Staff\Staff\bin\Debug\Blindz.mdb;User Id=;Password=;"
data.SelectCommand = New OleDbCommand("SELECT * FROM Staff")
data.SelectCommand.Connection = conn
data.Fill(ds)
data.InsertCommand = New OleDbCommand("INSERT INTO Staff(StaffName,BirthDate,Gender,Address,Phone,Position,StaffID,SystemPassword) VALUES(@StaffName,@BirthDate,@Gender,@Address,@Phone,@Position,@StaffID,@SystemPassword)")
data.InsertCommand.Connection = conn
data.InsertCommand.Parameters.Add("@StaffName", OleDbType.VarChar, 40, "StaffName")
data.InsertCommand.Parameters.Add("@BirthDate", OleDbType.VarChar, 40, "BirthDate")
data.InsertCommand.Parameters.Add("@Gender", OleDbType.VarChar, 40, "Gender")
data.InsertCommand.Parameters.Add("@Address", OleDbType.VarChar, 40, "Address")
data.InsertCommand.Parameters.Add("@Phone", OleDbType.VarChar, 40, "Phone")
data.InsertCommand.Parameters.Add("@Pos", OleDbType.VarChar, 40, "Pos")
data.InsertCommand.Parameters.Add("@StaffID", OleDbType.VarChar, 40, "StaffID")
data.InsertCommand.Parameters.Add("@SysPassword", OleDbType.VarChar, 40, "SysPassword")
End Sub
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim dr As DataRow
dr = ds.Tables(0).NewRow() 'Gets a reference to a new row.
dr("StaffName") = namebox.Text
dr("BirthDate") = datebox.Value
dr("Gender") = genbox.Text
dr("Address") = addbox.Text
dr("Phone") = phonebox.Text
dr("Pos") = posbox.Text
dr("StaffID") = id.Text
dr("SysPassword") = syspass.Text
ds.Tables(0).Rows.Add(dr)
data.Update(ds)
ds.AcceptChanges()
End Sub
End ClassThats my code above, my access fields are all text....coz i always get errors if i use other types.....can sum1 plz help me....i also noticed there are numerous ways to use ole.db to add to database....can sum1 tel me waths wrong??.....thank you....
