DropDownList和数据库绑定实例.doc

DropDownList和数据库绑定实例 收藏 1 数据库表格--数据库 图片分类 typeid subtypeid typename 图片信息 picid subtypeid picname filename serverfile mimetype 编号 类别 图片名 文件名 文件路径 文件类型 说明; 两个表格使用subtypeid关联 2 程序前台 HTML HEAD titlepic/title meta content=Microsoft Visual Studio .NET 7.1 name=GENERATOR meta content=C# name=CODE_LANGUAGE meta content=JavaScript name=vs_defaultClientScript meta content=/intellisense/ie5 name=vs_targetSchema /HEAD body MS_POSITIONING=GridLayout form id=Form1 method=post runat=server asp:label id=Label1 runat=serverWidth=72pxsubtypeid/asp:label INPUT id=File1 type=filename=File1 runat=server asp:textbox id=TextBox1 runat=server/asp:textbox asp:label id=Label2 runat=server照片名/asp:label asp:button id=Button1 runat=serverText=insert/asp:button asp:textbox id=TextBox2 runat=server/asp:textbox asp:Label id=Lbl_typenamerunat=server Width=256px/asp:Label asp:dropdownlist id=DropDownList1 runat=server AutoPostBack=True /asp:dropdownlist asp:Label id=Label3 runat=serverkeyid/asp:Label /form /body /HTML 3 程序后台： using System.Web; using System.Web.SessionState; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.HtmlControls; namespace house.map { /// summary /// pic 的摘要说明。 /// /summary public class pic : System.Web.UI.Page { protected System.Web.UI.WebControls.DropDownList DropDownList1; protected System.Web.UI.WebControls.Label Label1; protected System.Web.UI.WebControls.TextBox TextBox1; protected System.Web.UI.WebControls.Button Button1; protected System.Web.UI.WebControls.Label Label2; protected System.Web.UI.WebControls.TextBox TextBox2; protected System.Web.UI.HtmlControls.HtmlInputFile File1; private string connstr=System.Configuration.ConfigurationSettings.AppSettings[mapConnstring];