可以的,你看看你的语句
SqlCommand cmd=new SqlCommand("update AT_UserInformation1 set DutyName='"+changedDutyName+"',DeptId='"+changedDeptId+"' where EmployeeId='"+EmployeeId+"'";"update AT_Duty set Popedom='"+changedPopedom+"'where EmployeeId='"+EmployeeId+"'",sqlcon);
第二个where前面少空格
SqlCommand cmd=new SqlCommand("update AT_UserInformation1 set DutyName='"+changedDutyName+"',DeptId='"+changedDeptId+"' where EmployeeId='"+EmployeeId+"'";"update AT_Duty set Popedom='"+changedPopedom+"'where EmployeeId='"+EmployeeId+"'",sqlcon);
有问题