What is CStr Function :
Returns an expression that has been converted to a Variant of subtype String.
You should use the CStr function instead of Str to provide internationally aware conversions from any other data type to a String subtype. For example, different decimal separators are properly recognized depending on the locale setting of your system.
The data in expression determines what is returned according to the following table:
The following example uses the CStr function to convert a numeric value to a String:
Returns an expression that has been converted to a Variant of subtype String.
CStr(expression)The expression argument is any valid expression.
Remarks
In general, you can document your code using the data type conversion functions to show that the result of some operation should be expressed as a particular data type rather than the default data type. For example, use CStr to force the result to be expressed as a String.You should use the CStr function instead of Str to provide internationally aware conversions from any other data type to a String subtype. For example, different decimal separators are properly recognized depending on the locale setting of your system.
The data in expression determines what is returned according to the following table:
| If expression is | CStr returns |
|---|---|
| Boolean | A String containing True or False. |
| Date | A String containing a date in the short-date format of your system. |
| Null | A run-time error. |
| Empty | A zero-length String (""). |
| Error | A String containing the word Error followed by the error number. |
| Other numeric | A String containing the number. |
Dim MyDouble, MyString MyDouble = 437.324
' MyDouble is a Double. MyString =CStr(MyDouble)
' MyString contains "437.324".
Some more relevant posts covering the VBScript functions and other Vbscript used for coding in QTP.:
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