如何使用asp.net中的下拉菜单从MsSql数据库动态获取表

Question

<asp:DropDownList ID="DropDownList1" runat="server" CssClass="account-content">
            <option value="" onclick="tbl_city"> All</option>
            <option value="">City</option>
            <option value="">State</option>
            <option value="">Country</option>
            <option value="">Project</option>
            <option value="">Project Detail</option>
            <option value="">Project Category</option>
            <option value="">User</option>
            <option value="">User Detail</option>
            </asp:DropDownList>

Answer 1

使用实体框架。将数据绑定到gridview并使用DropDownList的SelectedIndexChanged属性重定向到该页面。你可以使用这样的东西：

        private DataEntities dataContext;
          dataContext = new DataEntities1();
         gv.DataSource = dataContext.objectName.ToList<TEntity>();
         gv.DataBind();