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CLng Function

CLng Function is used to convert a data type to Long data type.




CLng (expression)

Working with CLng function


Here we are going to create a project in which we are using a CLng function:


    • Create a new project in Visual Studio 2010 by selecting File ➪ New Project from the menu bar. In the New Project dialog, select Windows Forms Application from the right-hand pane, enter the project name as CLngFunction, and click OK as shown in figure:


    • Now drag and drop a Button control from the toolbox to the form and change its text property to “ShowValueAfterConversion” as given below in the diagram:


    • Double-click the button “ShowValueAfterConversion” to open the Button1.Click event handler. Add the following given code to it:
Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
Dim d As Double = 10.9877745623
MessageBox.Show(“Value After conversion from Double datatype to Long datatype:” & CLng(d).ToString, _”CLngFunction”)
End Sub
    • Now execute the project by pressing F5 key it will open a form as follows:


    • Now click on the button “ShowValueAfterConversion” present on the form this will show you a message box as follows:


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