wpf combobox

In practice, we found that the selectedindex value can be used to obtain selectedvalue when ComboBox is automatically selected; The selectedtext value can be used to leave selectedvalue empty when ComboBox is automatically selected. That is This. combobox1.selectedindex = This. combobox1.findstring (room ); In this way, the combobox1.selectedvalue value is obtained. This. combobox1.selectedtext = room; In t

This bug found when investigating a strange system exception occurs when you select one item in ComboBox,ProgramIn the selectindexchanged event, an error occurs when the user selects to refresh the data. After tracing debugging, it is found that the value of selectedvalue is inconsistent with the selected item. But why is such a strange error?After investigation, we found that the ComboBox sorted attribut

Recently developed jquery in IE10, a summary of the incompatibility of ComboBox multiple selections in jquery. When you set the property "Multiple:true" to ComboBox, IE10 cannot complete the multiple selections, and the error is as follows: Copy Code code as follows: function _7e8 (_7e9,_7ea) { var _7eb=$.data (_7e9, "ComboBox"); var opts=_7e

[WPF series] basic learning series plan, wpf SeriesIntroduction WPF technology is no longer a new technology. Winform has been used in my previous work, so I have never studied WPF in depth. This time, the project uses the WPF technology to implement a cool display interface

Original: WPF--3DMAX+BLEND+WPF Comprehensive applicationCitation: http://blog.sina.com.cn/s/blog_95dbdf9e0100we3z.htmlI have a side dish, WPF just getting started, just write a recent project experience. Welcome the predecessors to come to make the bricks, appreciate the disrespect! First of all, I started hurriedly, a lot of things are also smattering, so many p

Use the Onendedit event (this event gets to the editor object and the Onafteredit event gets no editor object)Get the input data through the editor and save it. int ci = 0; for (Column col:columnlist) {for (Combobox Cbb:col.getCombobox ()) { if (CBB!= null) { str + = "var ed" + Ci + "= $j (\" # "+randomnumber+" \ "). DataGrid (\" Geteditor\ ", {index:rowindex,field:\" "+col.getfield () +" \ "});"; STR + + "var val" + ci + "= ed" + Ci + ". Target.

The official has an example of grid curd: http://examples.coolite.com/Examples/GridPanel/WebService_Connections/HandlerUsing/I make a slight change on the basis of it, using ComboBox as the editor of the grid: First show the effect for everyone to adhere to the momentum of watching: Key code: Copy Code code as follows: Width= ">" Valuefield= "Name" typeahead= "false" loadingtext= "Searching ..." Width= "570" pagesize= "10" Edit

Ajax| Programming | refresh | no refresh Programming ideas are as follows: 1: Backstage According to the front of the superior department ID, get the corresponding subordinate departments, and then constitute a format for Department Code 1-Department name 1| department code 2-Department name 2| department Code 3-department Name 3 ... The client side of the foreground splits from the string, and then combobox the subordinate department with JavaScript

：Icon(function ($) {//Initialize Clear button function Initclear (target) {varjq=$ (target); varopts=jq.data (' combo ') .options; varcombo=jq.data (' combo ') .combo; vararrow=combo.find (' Span.combo-arrow '); varclear= Arrow.siblings ("Span.combo-clear"); if (Clear.size () ==0) { //Create a purge button. clear=$ (' HTML code JS code $ (' #myselect '). ComboBox ({Required:true,editable:false}). ComboBox (

ComboBox control data binding method The ComboBox control has different attributes in Silverlight3 and Silverlight4 and is used in Silverlight4. Bind a ComboBox control or ListBox control Set the DataSource property to a data source object. Possible data sources include data tables, data views, datasets, data view managers, arrays, or any class that implements th

Called in the Formshow event of the window where the ComboBox is located[Delphi]View PlainCopy Procedure Setcomboboxlistwidth (Acombobox:tcombobox); Var I:integer; Nmaxlen, nminwidth: integer; Nfontwidth:integer; Ncboleft: integer; Ctlcustom:tcontrol; Begin Ncboleft: = Acombobox.Left; Ctlcustom: = Acombobox; With acombobox do begin Nfontwidth: = Round (Abs (Font.Height/ 2)); nmaxlen:= 0; For i:=0 to Items. count-

C # solution of the ComboBox control "the item set cannot be modified after DataSource attribute is set, Because I did not receive any professional questions after graduation, I did not touch the Winform program in year 45. Suddenly, due to work problems, I want to write small winform software for my own convenience. When using the ComboBox control, you may encounter a problem with re-binding the assignment

It is mainly to listen to the load event in the store. When the store is complete, the data has been referenced. Obtain the first record of the store and set it to the default value of ComboBox. VaR poststore = ext. Create ('ext. Data. store ',{Model: 'state ',Listeners :{Load: function (){VaR record = poststore. getat (0). Get ('position _ id ');Selectpostion. setvalue (record );}},Proxy: New Ext. Data. httpproxy ({URL: '/web/wage/ajaxcityconfig. asp

VC ++. the data browsing control datagridview is added in net2005. Although we can add a drop-down box column to the datagridview using its datagridviewcomboboxcolumn method, the problem is that the drop-down box of the entire column is not beautiful, it also needs to be programmed to bind data to it, which does not match. net. I recently implemented VC ++. net200 through simple programming of its form control events 5. Add the drop-down box function to the datagridview Control for your referenc

In a desktop applicationComboBox drop-down box, input method;Divided into three StatesThe simple text section can be edited. The list is visible.The dropdown text part can be edited. You must click the arrow to display the list. This is the default style.The dropdownlist user cannot directly edit the text section. You must click the arrow to display the list. But there is no readonly status. Sometimes the data in the copy drop-down box is really depressing. Why not? This is Ms.However,

When ComboBox is used, it has a hiddenname attribute, which is used to submit the value of value in ComboBox. Assume that the ID of a ComboBox is comboid, and the value of the hiddenname attribute is hiddenvalue, So, UseExt. Get ('comboid'). Dom. ValueThe method obtains the text of the selected items in ComboBox.TextValue, Ext. getcmp ("ID value"). getvalue (); O

The ComboBox control combines the functions of the text box and the list box. This control can be used to select projects by text input or by selecting projects from the list. If the number of items exceeds the number of items that can be displayed in the combo box, the control automatically displays a scroll bar. You can scroll up or down the list. The ComboBox control icon in the toolbox: 1. Use a combo b

In winform, unlike in Web, ComboBox (winform), dropdownlist (Web), and item Different, the value of item cannot be directly added to winform, but the value of item can be added to web. Write a ComboBox here to add the value. Class dropdownlist: system. Windows. Forms. ComboBox{Private bool _ useitemvalue; [System. componentmodel. Description ("whether to enabl

ComboBox is very useful in flex. The only difficulty is the data unbinding of combobox. Let me start with a simple example. The following is the simplest example of using flex tour. I am familiar with the attributes of this control. You can use event.tar to get the control object. In fact, you can also use the control id to locate the control. The following is a complex but common example: second-level lin

The following two functions are suitable for ComboBox and list components. Checkcmbitemexists:Check whether a specified item already exists. Sometimes, you need to dynamically add items to the list or ComboBox component, but before adding the items, you must check whether the items already exist in advance to avoid repeated addition. Selectcmbitem:Select an item. Sometimes you need to use a program to se