in this function first pass the dollor value than you pass the value of in one dollor how many ruppes
like "double dollorValue= getDollorToRupee(5000,56);"
private double getDollorToRupee(double DollOrValue, double OneDollarEqulal_Rupee)
{
double indianRupee = 0;
return indianRupee = DollOrValue * OneDollarEqulal_Rupee;
}