Asp.net(c#)数据库操作类(2)

}
else
{
conn = SqlConn;
}
try
{
if (conn.State == ConnectionState.Closed)
{
conn.Open();
}
SqlCommand cmd = new SqlCommand(UDIString, conn);
cmd.CommandType = CommandType.Text;
intCount = cmd.ExecuteNonQuery();
return !(intCount < 1);
}
catch (Exception e)
{
strError = "更新数据库失败：" e.Message;
return false;
}
finally
{
if (conn.State != ConnectionState.Closed)
{
conn.Close();
}
}
}
}
}
-----------------------------
两种调用方法
1、 string strUserPsw = UserPsw.Text.Trim();
string UserPassword = System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(strUserPsw, "MD5");//md5加密
SqlServerDataBase obj = new SqlServerDataBase();
obj.Insert("insert into asUserInfo (UserName,UserPassword,Question,Answer,CreateTime) values('" UserName.Text.Trim() "','" UserPassword "','" Question.Text.Trim() "','" Answer.Text.Trim() "','" DateTime.Now.ToString() "' )", null);
2、 private bool IsUsernameExist(string strUsername)
{
bool bRet = true;
SqlServerDataBase db = new SqlServerDataBase();
DataSet ds = db.Select("select * from asUserInfo where UserName = '" strUsername "'", null);
if (ds == null || ds.Tables.Count == 0 || ds.Tables[0].Rows.Count == 0)
{
bRet = false;
}
else
{
bRet = true;
}

return bRet;
}

http://blog.csdn.net/zdyguilong/archive/2007/01/22/1490250.aspx

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