Hello students i know you need this codes, so i will provide it to you.. here are the some code's in visual basic 2007/2008... just analyze it!! ^_^

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textbox classification

August 25, 2009

 Public Class txtForm           click here—>>> 

Before using the code u should change the function, simply click this ” step 1 “ in order to done it well..!!!

 The color Blue states that u have change the function from CLICK to KEYPRESS

Private Sub TextBox1_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtalpha.KeyPress
        If IsNumeric(e.KeyChar) Then
            e.KeyChar = “”
        End If

    End Sub

    Private Sub txtnumber_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtnumber.KeyPress
        If Asc(e.KeyChar) <= 32 Or _
                  (Asc(e.KeyChar) >= Asc(”0″) And Asc(e.KeyChar) <= Asc(”9″)) Then
        Else
            e.KeyChar = “”
        End If

    End Sub

Posted by visualcode at 5:27 pm | permalink | Add comment

crystal report

July 22, 2009

this is the crystal report for visual basic also known as the paper lay-out/output of the program

Posted by visualcode at 8:54 am | permalink | Add comment

binding database

this is the procedure how to bind your database

Posted by visualcode at 8:07 am | permalink | Add comment

Find Form

July 21, 2009

Public Class FindForm             click here—>>>  

    Private Sub FindForm_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        ‘TODO: This line of code loads data into the ‘RECORDSDataSet1.BIRTH’ table. You can move, or remove it, as needed.
        Me.BIRTHTableAdapter.Fill(Me.RECORDSDataSet1.BIRTH)

    End Sub

    Private Sub Btnclose_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Btnclose.Click
        Me.Dispose()
    End Sub

    Private Sub Btnselect_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Btnselect.Click
        Form2.fID = Me.DataGridView1.Item(0, Me.DataGridView1.CurrentRow.Index).FormattedValue
        Me.Dispose()
    End Sub

    Private Sub Btnretry_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Btnretry.Click
        Me.Txtfind.Text = “”
        Me.bindfind.Filter = “LASTNAME LIKE ‘” & Me.Txtfind.Text & “%’ OR FIRSTNAME LIKE ‘” & Me.Txtfind.Text & “%’ “
        Me.Btnselect.Enabled = True
        Me.Btnretry.Enabled = False
        Me.Txtfind.Enabled = True
        Me.DataGridView1.Refresh()
        Me.DataGridView1.CancelEdit()
        Me.BIRTHTableAdapter.Fill(Me.RECORDSDataSet1.BIRTH)
    End Sub

    Private Sub Txtfind_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Txtfind.TextChanged
        Me.bindfind.Filter = “LASTNAME LIKE ‘” & Me.Txtfind.Text & “%’ OR FIRSTNAME LIKE ‘” & Me.Txtfind.Text & “%’ OR MI LIKE ‘” & Me.Txtfind.Text & “%’”
        Me.Btnretry.Enabled = True
    End Sub
End Class

Posted by visualcode at 5:10 pm | permalink | Add comment

log-in form

July 15, 2009

 

 Public Class PasswordForm
    Public nCounter As Integer                                            click this —->>>     

” This color RED text used to count the wrong access/input by the user. If he/she input more than 3 times, the program will automatically close ”

Private Sub btnpassword_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

 

 ” The VIOLET text used to access your database/Microsoft Access 

        Dim oRow As DataRow

        If Me.txtuser.Text = “” Then
            MsgBox(”Please Encode the User!”, MsgBoxStyle.Critical, “CONFIRM USER”)
            Me.lbldisply.Text = “Empty User!!!”
            nCounter = nCounter + 1
            If nCounter = 3 Then
                Me.Close()

            End If
        ElseIf Me.txtpassword.Text = “” Then
            MsgBox(”Please Encode the Password!”, MsgBoxStyle.Critical, “CONFIRM PASSWORD”)
            Me.lbldisply.Text = “Empty Password!”
            nCounter = nCounter + 1
            If nCounter = 3 Then
                Me.Close()

            End If
        Else
            For Each oRow In Me.RECORDSDataSet.PASS
                If (oRow.Item(”userid”) = Me.txtuser.Text) Then
                    If (oRow.Item(”password”) = Me.txtpassword.Text) Then
                        Form1.bAccess = True                     
                    End If
                End If
            Next
            If Form1.bAccess = True Then
                         Me.Close(
)
                End If

            Else
                MsgBox(”Incorrect User or Password”, MsgBoxStyle.Critical, “Access Denied!!!”)
                Me.lbldisplay.Text = “Access Denied!”
                nCounter = nCounter + 1
                If nCounter = 3 Then
                    Me.Close()

                End If
            End If
        End If
    End Sub

 

End Class



Public Class Form1
    Public bAccess As Boolean
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Me.bAccess = False
        PasswordForm.ShowDialog()
        If Not (bAccess) Then
            Me.Close()
        End If

    End Sub
End Class

Posted by visualcode at 5:58 pm | permalink | Add comment