C# Custom Value from DateTimePicker

Custom value from datetimepicker as below:

 
string date = DateTimePicker1.Value.ToString("yyyy-MM-dd");

C# Convert Hex to Decimal and vice versa

Convert Hex to Decimal as below;

 
int DecimalVal = Convert.ToInt32(HexVal, 16);

Convert Decimal to Hex as below;

 
string HexVal = DecimalVal .ToString("X");

C# DateTime Custom String Method

Sample Code as bellow:

DateTime DT = DateTime.ParseExact("20121207015640","yyyyMMddHHmmss",null);  

For more info MSDN DateTime.ParseExact