![]() ![]() ![]() If the value of the string in both of the above methods is “null” then these methods will return zero.Now, Convert.ToDouble() method will convert the given string to double using the formatting information provided by the object of NumberFormatInfo and the resultant value will be stored in the variable “doubleVal”.NumberGroupSeparator is used to get or set a string that separates groups of digits at the left of the decimal in numeric values.NumberDecimalSeparator is used to get or set a string that can be used as the decimal separator in numeric values.Then, we set some important properties for this object like NumberDecimalSeparator and NumberGroupSeparator. In the above statements, we first created an object of IFormatProvider using the class NumberFormatInfo which implements IFormatProvider. Let us now understand the working of the above method with the help of the below example: NumberFormatInfo provider = new NumberFormatInfo() ĭouble doubleVal = Convert.ToDouble("855.65", provider) “855.65” as a string to ToDouble() method which will be converted to double by the method and the resulted value will be stored in a variable of type double (doubleVal). In the above statement, we have passed a number i.e. Let us understand the working of the above method with the help of the below example: double doubleVal = Convert.ToDouble("855.65") Among these overloaded forms, two forms allow us to convert a string representation of a number to its equivalent double-precision floating-point number. In C#, the “System” namespace contains a class called “Convert” which contains the ToDouble() method in many overloaded forms to convert the specified type of data to its equivalent double value. ![]() After conversion both these methods return the equivalent double value for the string passed as the argument. In the above syntax, ToDouble() method takes two arguments the first is the string representation of a number which needs to be converted to double and second is an object which provides culture-specific formatting information. public static double ToDouble(string strValue, IFormatProvider provider) In the above syntax, ToDouble() method takes one argument of type string ( strValue) which is nothing but a string containing a number to convert to double. The syntax of Convert.ToDouble() method in both its overloaded forms for converting a string to double is as follows: public static double ToDouble(string strValue) Those two overloaded forms are as follows:īoth these methods return a double value after converting the string value to double. ![]()
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