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in chat application ,, Two friends x, y (used the same device) x Send to y message then stored in database x make log-out of the application and y log-in application and open chat and received the message here the message stored twice on the local storage and this is …
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what is the best way to save data from multiple checkboxes ?? if i have 50 , 60 checkboxes Is it reasonable to set up a column of 50 or 60 checkboxes for ٍsaving value for each question separately ? and presumably there are questions that have not responded what … 
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im trying to make a simple example in threading this error msg can anyone help me to solve it ? Cross-thread operation not valid: Control 'cmb1' accessed from a thread other than the thread it was created on. Imports System.Threading Public Class Form1 Inherits System.Windows.Forms.Form Dim th1 As Thread Dim …
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how can i add my items from list to combo box ??? Dim IntList As New List(Of Integer) Sub proc1() Dim iCount As Integer For iCount = 1 To 10 IntList.Add(iCount) Next If Done = True Then cmb1.Items.AddRange(IntList.ToArray) this is the msg error : Error 1: Value of type '1-dimensional … 
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