Possible Errors while running VB Programs

Error Detection :

• There is always be a possibility to have errors while running the program.So , we have to know the type of errors occurring in each type of programs.Error detection capacity is an important thing in programming.

• This is a page where you can add/discuss about Errors while running any of the VB Programs (And , If its from any of the Program in this Blog, Kindly mention the program number also).

• Please Use Post a Comment section to post the errors , and if possible , their solution too... :)
• ==========================================================================

Or , VBForums

• ====================================================================
  Back to Home   &  VB

===========================================================

VB-72 : Occurrence of a String

Write a VB program to accept 2 given strings from the user and count the number of times the second string appears in the first string.
Design and display a splash screen as your program loads.

Click to see a simple program of this type The number of digits in the entered Number...
============================================
This Problem is divided into 2 parts:

1. Provide a Splash Screen
2. Provide a form,which find the occurrence of a string from another string.

(A)Program Design : (1)

Add a form to the project and select "Splash Screen" to get the screen as given below :

(B)Attaching Code to the Object :

Private Sub Form_Load()     lblVersion.Caption = "Version " & App.Major & "." & App.Minor & "." & App.Revision     lblProductName.Caption = App.Title End Sub

(A)Program Design : (2)

(B) Property(Controls Used) :

• 4 Labels 
• 3 TextBoxes, ( Set the first TextBox property - Multiline-True , ScrollBars-3)
• One Command Button Find

(C) Attaching Code to the Object :

(The below given code starting from Public fMainForm As frmMain , may be added into a module by selecting Project-->Add Module , If there happen any error in the output)

Private Sub Command1_Click() Dim pos, p_pos, cnt As Integer p_pos = 1 pos = 1 cnt = 1 Do pos = InStr(p_pos, Text1, Text2, vbTextCompare) p_pos = p_pos + pos If pos <> 0 Then cnt = cnt + 1 Loop While pos <> 0 Text3.Text = cnt End Sub

Public fMainForm As frmMain Sub Main() frmSplash.Show frmSplash.Refresh Set fMainForm = New frmMain Load fMainForm Unload frmSplash fMainForm.Show End Sub

D) Output :

=========================================================================
Refer Total words,Characters,sentence,length of ... and 

1. Count Blanks,Tabs,etc in a String
2.   Find rightmost occurrence of n-length string

• ====================================================================
  Back to Home   &  VB

===========================================================