mvc dropdownlist from database

You have prepared to build a separate system (Asp.net MVC 3 develop a simple enterprise website system) I was so excited that it attracted everyone's attention and I am very excited. Here I am very grateful to all the friends and garden friends who have supported and encouraged me. Thank you. Although it is necessary to make a simple website system to practice the use of a mainstream framework, so that I am more familiar with my own defects and can

Tags: Need SQL next SYS technology to share UI Web load GESThe installation process is simply carried over: 1. Before looking at the code, we need to load npgsql and Petapoco into the current project, and I will use NuGet to add to the current project as follows: Install-package Npgsql Install-package Petapoco 2. Take a look at the important code in Web. config 1> Database Connection string "Postgresql" connectionstring= " server=127.0.0.1; User id=

configuration is complete, configure it in the ASP. NET MVC project and open Web. config to add the following code under the system.web node:database-based cache dependency - Caching> SqlCacheDependencyenabled= "true"Polltime= "30000"> databases> Addname= "Pubs"connectionStringName= "Pubs"Polltime= "$"/> databases> SqlCacheDependency> Caching>Where the Polltime attribute is how long the application interval is a

One.Requirements Analysis:This program is a volleyball scoring program, its business is very simple, specific as follows:1. This program can select the user identity, through different angles to record the game score.2. Race results for different identity records will be stored in different data tables (currently suitable for athletes and spectators).3. After the user types the data, you can continue to manipulate the data (such as; Delete, modify, view details).4, different identities of users,

Label:1, Interface (ibaserepository (warehousing)) Operation database (add and revise), the code is as follows: /// ///method of base warehousing implementation/// /// Public InterfaceIbaserepositorywhereT:class,New() { //Add T addentities (t entity); //Modify BOOLupdateentities (T entity); //Delete BOOLdeleteentities (T entity); //EnquiryIqueryableBOOL>Wherelambda); //page OutIqueryableintPageSize,intPa

Tags: style blog http os io data ar CTIIn This MVC exercise, we want to implement a deletion of the database records. On the list of records on the webpage, click Delete, will take to another detail page, display detailed information, let the user confirm the deleted information, then click Delete Action. in any case, you must first create a deleted stored procedure in the database:practice is based on a se

classfileuploader:ibaseentity {#regionCustom attributes, which are entities extended by the data entity#endregion } Public classFileuploadermetadata {[Scaffoldcolumn (false)] [Display (Name="PRIMARY Key", Order =1)] Public ObjectId {Get;Set; } [Scaffoldcolumn (true)] [Display (Name="name", Order =2)] [Stringlength ( $, errormessage ="length must not exceed")] Public ObjectName {Get;Set; } [Scaffoldcolumn (true)] [Display (Name="Path", Order =3)] [Stringlength

　　 Parsing the Web. config XML file in asp,net MVC to remove the database type

(String time) {Defaultcategorydataset DataSet = new Defaultcategorydataset ();ListListSystem.out.println ("Number of Sets" +list.size ());For (map{String Typename= (String) map.get ("TypeName"). toString ();//commodity typeString year= (String) Map.get ("year"). ToString (); YearsString Month= (String) map.get ("month"). ToString (); MonthInteger shoppingid=integer.valueof (Map.get ("Shoppingid"). toString ());Integer userid=integer.valueof (Map.get ("UserId"). toString ());Integer ordertypeid=

Label: usingMvcapplication32.models;usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingsystem.web;usingSYSTEM.WEB.MVC; namespaceMvcapplication32.controllers { Public classHomecontroller:controller {// //GET:/home/Test1entities db =Newtest1entities (); PublicActionResult Index () {viewdata["Data"]=db. Userinfo.tolist (); returnView (); } } } View Code @model MvcApplication32.Models.UserInfo @using mvcapplication32.models; @{Layout = null;} DOCTYPE HTML> H

This is in the OA system, need to use a small function, more general, because I was only contact Easyui soon, I hope the wrong place everyone point out, thank youEasyui-combobox for InterfaceJs$ (function () {Go to the background, query out the data, bind the dataAjaxhelper ('/labcontract/select_conid ', ' GET ', null). Done (the function (DT) {$ (' #lab_con_id '). Combox ({DATA:DT;Valuefield: ' Id ',TextField: ' con_id '})});})ControllerPublic Jsonresult Select_conid () {Method of findingListAs

=userpwd; } _context.submitchanges (); } Public voidDelete (stringID) {varquery = _context.zhuce.where (p=>p.id==ID); if(Query. Count () >0) {zhuce data=query. First (); _context.zhuce.deleteonsubmit (data); _context.submitchanges (); } } //Shorthand Method Public voidInsert (zhuce data) {_context.zhuce.insertonsubmit (data); _context.submitchanges (); } Public voidUpdata (zhuce data) {//zhuce

? ') '})} i++; } } "/home/zengjia"Method="Post"> "Submit"Value="Add"/> (b) Modification of the page@using mvcapplication1.models; @model student @{Layout=NULL;}"Viewport"Content="Width=device-width"/> "F1"Name="F1"action="/home/update"Method="Post"> @{ if(model!=NULL) { class="UU">"Submit"Name="Submit"Value="Update"/> } } "/home/tiaozhuan"Method="Post"> "Submit"Value="Back to hom

tab, and choose Local System from the drop-down list.5. In IIS Manager, click on "Web Service extensions" to see that the "ASP. v4.0.30319" service must be "allow". The above information is from the blog: http://www.cnblogs.com/anny-1980/articles/2616657.htmlIf you have a Silverlight project, the following actions are required:1. Select the HTTP Headers tab, as shown below, and click the MIME Type button.2. Create a new MIME type for the PDI extension again, as shown in.3. After completing the

configuration and is more popular. The configuration for permissionentity is as follows: ? This will be configured to set the name of the table, the maximum length of the field, whether it is nullable, and so on, as the data table is generated. third, build the database Write the configuration for each entity, run the project, and the database will be created automatically. By default, EF keeps track of

Data | database II. Abstract database interfaces (using data manipulation management classes) In the MVC pattern development, the model layer is responsible for all the operations of the database, in order to the operation of the database unified management, we need to defin

Tags: exec exe insert CTI parameter str values CLI voidFirst, create an MVC project, Then, create a person class to get the "single-individual" data for the table persons of the database public class person { [Key] public string Id {get; set;} public string Name {get; set;} public string Sex {get; set;} public int Age {get; set;} } 　 Furthermore, create a

Label:One. MySQL connector/net To connect MySQL first, you need to download and install MySQL Connector/net First step: Check whether the local installation, if not installed, please go to the MySQL official website to download MySQL connector/net Download URL: http://dev.mysql.com/downloads/connector/net/ Step Two: Install MySQL connector/net (my Mysql-connector-net-6.8.3.msi) two. Check if MySQL is turned on in the local service Right-click Start if not enabled Three. Referencing in the proje