c# only allow 2 decimal places code example

Example 1: set decimal point c#

decimalVar.ToString ("#.##"); // returns "" when decimalVar == 0

or

decimalVar.ToString ("0.##"); // returns "0"  when decimalVar == 0

Example 2: c# display float with 2 decimal places

myFloatVariable.ToString("0.00"); //2dp Number

myFloatVariable.ToString("n2"); // 2dp Number

myFloatVariable.ToString("c2"); // 2dp currency

Example 3: c# round to 2 decimal places

decimal b = 1.995555M;

Math.Round(b, 2); //returns 2.00

Example 4: how to convert a number to 2 decimal places in c#

// just two decimal places
String.Format("{0:0.##}", 123.4567);      // "123.46"
String.Format("{0:0.##}", 123.4);         // "123.4"
String.Format("{0:0.##}", 123.0);         // "123"