我发展我的第一个PROGRAMM和现在面临的一些问题,请帮我完成它 我有这样的代码在C#:不能将类型'object'隐式转换为'System.DateTime'。一个显式转换存在(是否缺少强制转换?)
SqlDataReader dr = null;
dr = cmd.ExecuteReader();
if (dr.Read())
{
client_id = dr["clientid"].ToString();
surname = dr["surname"].ToString();
othername = dr["othername"].ToString();
gender = dr["gender"].ToString();
date_ofbirth = dr["dateofbirth"];
nationality = dr["nationality"].ToString();
//age = dr["Age"];
residential_address = dr["residentialaddress"].ToString();
postal_address = dr["postaladdress"].ToString();
contact_number = dr["telephonenumber"].ToString();
marital_status = dr["maritalstatus"].ToString();
spouse_name = dr["spousename"].ToString();
email = dr["email"].ToString();
occupation = dr["occupation"].ToString();
typeof_id = dr["typeofid"].ToString();
id_number = dr["idnumber"].ToString();
id_expirydate = dr["idexpirydate"];
remarks = dr["remarks"].ToString();
picture = dr["picture"].ToString();
return true;
cmd.CommandText = null;
}
和错误信息这是............... date_ofbirth = dr [“dateofbirth”];
错误2无法将类型'对象'隐式转换为'System.DateTime'。显式转换存在
(是否缺少强制转换?)
C:\用户\ MICKY \文档\ Visual Studio 2008的\项目\ Godswill \ Godswill \ Personal.cs 249 28 Godswill
小疑难杂症,我花了上15分钟:如果你的类不是公共的,而是私人短小精悍将抛出同样的错误。有点模糊。 –