This method is used to convert the specified string representation of a number to an equivalent decimal number, using the specified culture-specific formatting information.
Syntax:
public static decimal ToDecimal (string value, IFormatProvider provider);
Parameters:
- value: It is a string that contains a number to convert.
- provider: It is an object that supplies culture-specific formatting information.
Return Value: This method returns a decimal number that is equivalent to the number in value, or 0 (zero) if value is null.
Exceptions:
- FormatException: If the value is not a number in a valid format.
- OverflowException: If the value represents a number that is less than MinValue or greater than MaxValue.
Below programs illustrate the use of Convert.ToDecimal(String, IFormatProvider) Method:
Example 1:
csharp
// C# program to demonstrate the // Convert.ToDecimal() Method using System;
using System.Globalization;
class GFG {
// Main Method public static void Main()
{ try {
// creating object of CultureInfo
CultureInfo cultures = new CultureInfo( "en-US" );
// declaring and initializing String array
string [] values = { "123456789" , "12345.6789" ,
"123,456,789.0123" };
// calling get() Method
Console.WriteLine( "Converted decimal value " +
"of specified strings: " );
for ( int j = 0; j < values.Length; j++) {
get (values[j], cultures);
}
}
catch (FormatException e) {
Console.WriteLine( "\n" );
Console.Write( "Exception Thrown: " );
Console.Write( "{0}" , e.GetType(), e.Message);
}
catch (OverflowException e) {
Console.WriteLine( "\n" );
Console.Write( "Exception Thrown: " );
Console.Write( "{0}" , e.GetType(), e.Message);
}
} // Defining get() method public static void get ( string s,
CultureInfo cultures)
{ // converting string to specified char
decimal val = Convert.ToDecimal(s, cultures);
// display the converted char value
Console.Write( " {0}, " , val);
} } |
Output:
Converted decimal value of specified strings: 123456789, 12345.6789, 123456789.0123,
Example 2: For FormatException
csharp
// C# program to demonstrate the // Convert.ToDecimal() Method using System;
using System.Globalization;
class GFG {
// Main Method public static void Main()
{ try {
// creating object of CultureInfo
CultureInfo cultures = new CultureInfo( "en-US" );
// declaring and initializing String array
string [] values = { "123456789" , "12345.6789" ,
"123,456,789.0123" };
// calling get() Method
Console.WriteLine( "Converted decimal value" +
" of specified strings: " );
for ( int j = 0; j < values.Length; j++) {
get (values[j], cultures);
}
Console.WriteLine( "\n" );
string s = "123 456, 789" ;
Console.WriteLine( "format of s is invalid " );
// converting string to specified char
decimal val = Convert.ToDecimal(s, cultures);
// display the converted char value
Console.Write( " {0}, " , val);
}
catch (FormatException e) {
Console.Write( "Exception Thrown: " );
Console.Write( "{0}" , e.GetType(), e.Message);
}
catch (OverflowException e) {
Console.Write( "Exception Thrown: " );
Console.Write( "{0}" , e.GetType(), e.Message);
}
} // Defining get() method public static void get ( string s,
CultureInfo cultures)
{ // converting string to
// specified decimal value
decimal val = Convert.ToDecimal(s, cultures);
// display the converted decimal value
Console.Write( " {0}, " , val);
} } |
Output:
Converted decimal value of specified strings: 123456789, 12345.6789, 123456789.0123, format of s is invalid Exception Thrown: System.FormatException
Example 3: For OverflowException
csharp
// C# program to demonstrate the // Convert.ToDecimal() Method using System;
using System.Globalization;
class GFG {
// Main Method public static void Main()
{ try {
// creating object of CultureInfo
CultureInfo cultures = new CultureInfo( "en-US" );
// declaring and initializing String array
string [] values = { "123456789" , "12345.6789" ,
"123,456,789.0123" };
// calling get() Method
Console.WriteLine( "Converted decimal value " +
"of specified strings: " );
for ( int j = 0; j < values.Length; j++) {
get (values[j], cultures);
}
Console.WriteLine( "\n" );
string s = "-7922816251426433759354395033500000" ;
Console.WriteLine( "s is less than the MinValue" );
// converting string to specified char
decimal val = Convert.ToDecimal(s, cultures);
// display the converted char value
Console.Write( " {0}, " , val);
}
catch (FormatException e) {
Console.Write( "Exception Thrown: " );
Console.Write( "{0}" , e.GetType(), e.Message);
}
catch (OverflowException e) {
Console.Write( "Exception Thrown: " );
Console.Write( "{0}" , e.GetType(), e.Message);
}
} // Defining get() method public static void get ( string s,
CultureInfo cultures)
{ // converting string to
// specified decimal value
decimal val = Convert.ToDecimal(s, cultures);
// display the converted decimal value
Console.Write( " {0}, " , val);
} } |
Output:
Converted decimal value of specified strings: 123456789, 12345.6789, 123456789.0123, s is less than the MinValue Exception Thrown: System.OverflowException
Reference: