TxtResult.Text = String.Format(cboFormat.Text, _Įxperiment with it and consult the online help about format strings to learn more. The subroutine separates these values, converts them into Doubles, and passes them and the format string to the String.Format method.ĭim strings() As String = Split$(txtValue.Text, ",")ĭim values(strings.GetUpperBound(0)) As Objectįor i As Integer = 0 To strings.GetUpperBound(0) The txtValue TextBox conntains the values separated by commas. When you change the value or format string, the ShowValue routine displays the result. This example program lets you enter values and enter or pick format strings to see the results. The E indicates scientific notation.ĭebug.WriteLine("Value: ", value0, value1) It is right-aligned within 10 characters.
#Visual basic net string format code
For example, the following code displays parameter 0 (the first one after the format string). Other text in the format string is displayed literally. The number indicating an argument to format is less than zero, or greater than or equal to the number of specified objects to format. System.FormatException : The format item in format is invalid. In Part II of the article, we will continue with the series and cover 15 more. Check the online help for specific values. System.ArgumentNullException : The format String is null. In the previous article, 30 Common String Operations in C and VB.NET Part I, we explored 15 common String operations while working with the String class. If this is positive, the value is right-aligned. size: (Optional) The minimum number of spaces that the result should occupy.Dim strDateTime As String String.Empty strDateTime strDateTime &. The Format() function is actually a diverse function that can be used to format various types of data (such as string, monetary values and numbers). For this reason, Visual Basic provides the Format() function to allow the format of the date to be controlled. Add also TextBox named TextBox1 for our input. The default format of the Date and Time in Visual Basic is not always acceptable. Next, add only one Button named Button1 and labeled it as ' Count Characters '.
#Visual basic net string format how to
This example shows how to use a composite format specifier in VB. split, string, separators: HowTo: Trim leading and trailing non-printing ASCII characters from a string in Visual Basic. NET, Visual Basic 2005: HowTo: Make a function to split a string into an array of strings by using multiple separators in Visual Basic 6.
VB Helper: HowTo: Use a composite format specifier in VB. space, spaces, compress, replace, Visual Basic.