i have make the simple code log in program with connect database.The below code have something problem.Can someone pro solve the problem.
Private Sub btnSignIn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSignIn.Click
Dim conn As New OleDb.OleDbConnection
Dim ds As New DataSet
Dim da As New OleDb.OleDbDataAdapter
Dim command As New OleDb.OleDbCommand
conn.ConnectionString = "PROVIDER=Microsoft.Jet.OLEDB.4.0;Data Source = C:\Documents and Settings\Prokiller\My Documents\Visual Studio Projects\in process\New Folder (2)22\username.mdb"
conn.Open()
command.CommandText = "SELECT * FROM [UserName] WHERE TblUserName'" & txtUserName.Text & "' AND Pin= '" & txtPin.Text & "';"
command.Connection = conn
da.SelectCommand = command
da.Fill(ds, "username")
Dim count = ds.Tables(0).Rows.Count
If count > 0 Then
MsgBox("ok")
Form2.Show()
Me.Hide()
Else
MsgBox("invalid")
End If
conn.Close()
End Sub
Private Sub btnSignIn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSignIn.Click
Dim conn As New OleDb.OleDbConnection
Dim ds As New DataSet
Dim da As New OleDb.OleDbDataAdapter
Dim command As New OleDb.OleDbCommand
conn.ConnectionString = "PROVIDER=Microsoft.Jet.OLEDB.4.0;Data Source = C:\Documents and Settings\Prokiller\My Documents\Visual Studio Projects\in process\New Folder (2)22\username.mdb"
conn.Open()
command.CommandText = "SELECT * FROM [UserName] WHERE TblUserName'" & txtUserName.Text & "' AND Pin= '" & txtPin.Text & "';"
command.Connection = conn
da.SelectCommand = command
da.Fill(ds, "username")
Dim count = ds.Tables(0).Rows.Count
If count > 0 Then
MsgBox("ok")
Form2.Show()
Me.Hide()
Else
MsgBox("invalid")
End If
conn.Close()
End Sub