Method < MethodName > of extension object < NameSpace > cannot be called because it is not public.

This error occurs in XSLT Processing when the function in the msxsl script is not declared as public

< msxsl:script implements-prefix ="vbadud" language="C#" >

< ![CDATA[

decimal TotalAmount(int Qty, decimal Price)

{

return Qty* Price;

}

]] >

< /msxsl:script >

Solution :

Declare the TotalAmount as public

< msxsl:script implements-prefix ="vbadud" language="C#" >

< ![CDATA[

public decimal TotalAmount(int Qty, decimal Price)

{

return Qty* Price;

}

]] >

< /msxsl:script >