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Delegates in C#

see this link to understand lamda expressions .. it's a part from linq to working with data in fast and easy way

in your problem you can use many of data sources such as database files(mdf & mdb) or text files (plain or binary) or xml files or other ways..can you tell me what data which stored in data source??

i agree with you .. i don't never use ArrayList in my applications .. i prefer using List<>,HashTable<,>,Dictionary<,>


when we use LINQ IEnumrable<>

Random rnd = new Random();
System.Collections.ArrayList rndID = new System.Collections.ArrayList();
int numsID = 20;
int minID = 1;
int maxID =...

in this code sample i explained all important basics for drawing using GDI+ by C# language

http://classcoder.com/files/images/mastergdibasics.jpg



1.Draw Lines
2.Draw Ellipses and Circles...

i corrected your code

static void Main()
{
int divident = 0;
int divisor = 0;
double division = 0;
int rest = 0;
...