Value :: searchString - Search string in property
The function searches for the text passed in sString in the text value. When the value handle refers to a text property, the function returns the position of first occurrence of sString in the text.
When no instance is selected in the value handle or the value is not a text property, the function throws an exception.
Return value:  Start position in string ( int32  )
The start position begins with 0 at the beginning of the string area.
Implementation details
int32 
Value  :: searchString ( odaba::String &sString, int32 iStartPosition, bool bCaseSensitive )
- sString - String value
- iStartPosition
 - Start position in string
The start position begins with 0 at the beginning of the string area. 
- bCaseSensitive
 - Case sensitive option
The option indicates case sensitive data in text (true) 

