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Siebel VB Language Reference > Methods Reference for Siebel VB > Object Querying Methods > Is Variable Set MethodThe Is Variable Set method determines if a variable of data type variant is set. To indicate that it contains no data, every new variant defaults to an Empty type. This method returns one of the following values: If you use an empty variant in a numeric expression or in a null string ("") in a string expression, then Siebel VB converts this empty variant to zero. For more information, see Variants. FormatThe following table describes the arguments that you can use with this method. ExampleThe following example prompts the user for a series of test scores. It uses the Is Variable Set method to determine if Siebel CRM reached the maximum allowable limit. This method determines when to exit the Do Loop: Sub Button_Click |
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