3
我正在开发一个MVC3项目,我们正在开发一个站点供多家公司使用。每家公司都有自己的数据库目录。站点登录信息全部存储在单个“主”数据库中,该数据库包含用于每个用户的目录名称。但是,这些目录与其他结构明显不同。我想要做的是设置标准模型,但根据用户的目录将数据绑定到这些模型。没有Web.Config连接字符串的MVC3模型
public class UserSearchEntityLayer
{
public class SearchOptionsList
{
public virtual string SearchOptionText { get; set; }
public virtual string SearchOptionValue { get; set; }
}
}
public class UserSearchDBLayer : UserSearchEntityLayer
{
DbSet<SearchOptionsList> SearchOptions { get; set; }
public UserSearchDBLayer(string ClientCode)
{
//Connection Strings
var ClientConn = "Data Source=HelloWorld;Initial Catalog=" + ClientCode + ";Integrated Security=True;Persist Security Info=True";
//Prep Work
DataSet SearchOptionsDS = new DataSet();
SqlConnection cn = null;
SqlDataAdapter cmd = null;
SqlDataReader dr = null;
string SQLSelect = string.Empty;
//Start Work
try
{
cn = new SqlConnection(ClientConn);
cn.Open();
switch (ClientCode)
{
case "AAG":
//SearchOptions
SQLSelect = "SELECT [Report_Level] as 'Value',[Report_Level_Name] as 'Text' FROM [MASTER_REPORTING_LEVELS] Order By 'Value' DESC";
cmd = new SqlDataAdapter(SQLSelect, cn);
cmd.Fill(SearchOptionsDS);
if (SearchOptionsDS.Tables.Count != 0)
{
if (SearchOptionsDS.Tables[0].Rows.Count > 0)
{
foreach (DataRow R in SearchOptionsDS.Tables[0].Rows)
{
SearchOptions.Add(new SearchOptionsList { SearchOptionText = R["Text"].ToString(), SearchOptionValue = R["Value"].ToString() });
}
}
}
SQLSelect = string.Empty;
SearchOptionsDS.Dispose();
cmd.Dispose();
break;
default:
//Do more stuff here
break;
}
}
catch
{
}
finally
{
SearchOptions.Add(new SearchOptionsList { SearchOptionText = "States", SearchOptionValue = "States" });
SearchOptions.Add(new SearchOptionsList { SearchOptionText = "Locations", SearchOptionValue = "Locations" });
SearchOptions.Add(new SearchOptionsList { SearchOptionText = "Levels", SearchOptionValue = "Levels" });
SearchOptions.Add(new SearchOptionsList { SearchOptionText = "Name", SearchOptionValue = "Name" });
if ((dr != null))
{
if (!dr.IsClosed)
dr.Close();
dr = null;
}
if (cn != null)
{
if (cn.State != System.Data.ConnectionState.Closed)
cn.Close();
cn.Dispose();
cn = null;
}
if (cmd != null)
{
cmd.Dispose();
cmd = null;
}
if (SQLSelect != null)
SQLSelect = null;
}
}
}
要做到这一点,最好的方法是什么?哦,现在,这是我折腾的对象错误,因为SearchOptions为null,因为没有什么是在它的我加太..
我看不到任何地方,如果你正在创建一个新的实例的SearchOptions反对使用?添加块在你准备部分创建SearchOptions的新实例,它不会是空的。 – 2012-01-12 10:29:34
你能用反射吗? – 2012-01-12 10:50:36