hi..to every boby iam learning assycronus call methos in c#.net so i searching through MSDN i got one application copied the code into my new winform applcation it givving some errros run this aplication (in C#.net) ............. iam getting some errors................................. i don't know why they r comming http://msdn2.microsoft.com/en-us/library/8wy069k1.aspx so please help me regarding this