Visual Basic

manni_n wrote:

the code i m using is as follows:
textbox1.databindigs.add("text",dataset.tables(0),"Name")

manni_n wrote:

for this purpose i m using dataset.acceptchange method

Private Sub Form3_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load<br />
               Try<br />
            Dim da As New OleDbDataAdapter("select * from dbo_info where IDNo='" & Label2.Text & "' ", "provider=microsoft.jet.oledb.4.0;data source=e:\new folder\testIP.mdb;")<br />
            Dim ds As New DataSet<br />
            da.Fill(ds)<br />
            Label2.DataBindings.Add("text", ds.Tables(0), "IDNo")<br />
            Label43.DataBindings.Add("text", ds.Tables(0), "Name")<br />
            Label42.DataBindings.Add("text", ds.Tables(0), "ParName")

Dim da As New OleDbDataAdapter("select * from dbo_info where IDNo='" & Label2.Text & "' ", _
    "provider=microsoft.jet.oledb.4.0;data source=e:\new folder\testIP.mdb;")
Dim cb As OleDbCommandBuilder = New OleDbCommandBuilder(myDataAdapter)
 
Dim ds As New DataSet
da.Fill(ds)

da.Update(ds)

Dim webe As New ProcessStartInfo()
Dim username1 As New IO.StreamReader("C:\Textfile.txt")

Do While NOT UserName.EndOfStream
   If UserName1.ReadLine() = UserName.Text.toString & PassWord.Text.ToString Then
      'login information exist perform some type of actions
      exit do
   ElseIf UserName.Text & PassWord.Text = "Admin" & "admin" Then
      StatusStrip.text = "WelCome" & userName.Text
   End IF
Loop
UserName1.Close()

Dim username1 As New IO.StreamReader("C:\username.txt")<br />
    Dim password1 As New IO.StreamReader("C:\password.txt")<br />
    Dim adminun As New IO.StreamReader("C:\adminun.txt")<br />
    Dim adminpw As New IO.StreamReader("C:\adminpw.txt")<br />
<br />
<br />
Private Sub Login_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Login.Click<br />
        Do While username1.EndOfStream<br />
            If username1.ReadLine() = Username.Text.ToString & Password.Text.ToString Then<br />
                Exit Do<br />
            End If<br />
        Loop<br />
        username1.Close()<br />
        Do While password1.EndOfStream<br />
            If username1.ReadLine() = Username.Text.ToString & Password.Text.ToString Then<br />
                Exit Do<br />
            End If<br />
        Loop<br />
        password1.Close()<br />
    End Sub<br />

System.ObjectDisposedException was unhandled<br />
  Message="Cannot read from a closed TextReader."<br />
  ObjectName=""<br />
  Source="mscorlib"<br />
  StackTrace:<br />
       at System.IO.__Error.ReaderClosed()<br />
       at System.IO.StreamReader.get_EndOfStream()<br />
       at WindowsApplication1.Form1.Login_Click(Object sender, EventArgs e) in C:\Users\Brad\Documents\Visual Studio 2005\Projects\SC Login\SC Login\Form1.vb:line 9<br />
       at System.Windows.Forms.Control.OnClick(EventArgs e)<br />
       at System.Windows.Forms.Button.OnClick(EventArgs e)<br />
       at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)<br />
       at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)<br />
       at System.Windows.Forms.Control.WndProc(Message& m)<br />
       at System.Windows.Forms.ButtonBase.WndProc(Message& m)<br />
       at System.Windows.Forms.Button.WndProc(Message& m)<br />
       at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)<br />
       at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)<br />
       at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)<br />
       at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)<br />
       at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(Int32 dwComponentID, Int32 reason, Int32 pvLoopData)<br />
       at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)<br />
       at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)<br />
       at System.Windows.Forms.Application.Run(ApplicationContext context)<br />
       at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.OnRun()<br />
       at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.DoApplicationModel()<br />
       at Microsoft.VisualBasic.ApplicationServices.WindowsFormsApplicationBase.Run(String[] commandLine)<br />
       at WindowsApplication1.My.MyApplication.Main(String[] Args) in 17d14f5c-a337-4978-8281-53493378c1071.vb:line 81<br />
       at System.AppDomain.nExecuteAssembly(Assembly assembly, String[] args)<br />
       at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)<br />
       at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()<br />
       at System.Threading.ThreadHelper.ThreadStart_Context(Object state)<br />
       at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)<br />
       at System.Threading.ThreadHelper.ThreadStart()