Html.TextBox is not strongly typed and it doesn't require a strongly typed view meaning that you can hardcode whatever name you want as first argument and provide it a value:<%= Html.TextBox("foo", "some value") %>You can set some value in the
今天剛學MVC的Razor,一起用了Entity Framework ,結果出現如下錯誤:CS0012: The type 'System.Data.Objects.DataClasses.EntityObject' is defined in an assembly that is not referenced. You must add a reference to assembly 'System.Data.Entity, Version=4.0.0.0, Culture=neutral,
The specified named connection is either not found in the configuration, not intended to be used with the EntityClient provider, or not valid要麼是沒有發現在配置中,指定的命名串連,不打算要用於EntityClient提供者,或不是有效 解決辦法:I suspect that your issue is coming from the fact that
What you have is a valid ADO.NET connection string - but it's NOT a valid Entity Framework connection string.The EF connection string would look something like this:<add name="testEntities" connectionString="metadata=res://*/Model1.csdl|res:/
一、過濾重複的資料1、完全重複的記錄select distinct 欄位1,欄位2,欄位3 from 資料表 2、部分關鍵字段重複的記錄/*資料結構:角色檔案(角色編碼,角色,角色分類編碼) 功 能:取出指定欄位(角色分類編碼)為關鍵字的無重複資料,重複的取第一條 說 明:重複記錄取最後一條,只需要把min改成max即可 */ select * from 角色檔案 t where 角色編碼 in (select min(角色編碼) from 角色檔案 t1 group by