I am new with crystal reports. I tried to to implement the crystal report in my win form c# application using report wizard visual studio 2012, so don\'t know what happen\'s
Try something like this:
strServer= ConfigurationManager.AppSettings["ServerName"].ToString();
strDatabase= ConfigurationManager.AppSettings["DataBaseName"].ToString();
strUserID= ConfigurationManager.AppSettings["UserId"].ToString();
strPwd= ConfigurationManager.AppSettings["Password"].ToString();
report.DataSourceConnections[0].SetConnection(strServer, strDatabase, strUserID, strPwd);