A. Use the following code: Client foundClient;foundClient = (Client) cData.Find ("10111");
B. Use the following code: Client foundClient;if (cData.Contains ("10111")) foundClient = cData ["10111"];
C. Use the following code: Client foundClient;if (cData.Contains ("10111"))foundClient =(Client) cData ["10111"];
D. Use the following code: Client foundClient;foreach (string key in cData.Keys {if (key == "10111")foundClient = (Client) cData.Values ["10111"]; }