asp combobox

Pen to write the text before, first to remind himself, because always remember, and even the great God colleagues began to use "despise" the eyes of their own- encountered problems, their own to solve, no problem is solved, do not seriously work hard before you go to trouble big God colleagues, remember! The same problem, hope really can remember, remember! Do you remember to use the ComboBox in Easyui? The effect is Jiangzi drop:Ordinary use of the

ComboBox with the Treeview drop-down control Yes, as the title says, it is a Treeview in the drop-down box, but why do we need such controls? As a matter of fact, I have encountered this kind of requirement many times, for example: When you encounter Hierarchical DataLet the user select a node on the treeTreeview is required, but the interface does not have enough space.Used for options that are not frequently modifiedWhen a dialog box looks too cumb

I found a lot of information on the Internet, and finally debugged the function to read the project name. The specific optimization has no time to get it. It is worth noting that the value of ComboBox should be cleared by preprocessing when the page is returned, that is, the value of ComboBox should be refreshed; otherwise it will lead to repeated This. combox. Items. Clear (); The Code is as follows: View

{"total":28,"rows":[{"productid":"FI-SW-01","productname":"Koi"},{"productid":"K9-DL-01","productname":"Dalmation"},{"productid":"RP-SN-01","productname":"Rattlesnake"},{"productid":"RP-LI-02","productname":"Iguana"},{"productid":"FL-DSH-01","productname":"Manx"},{"productid":"FL-DLH-02","productname":"Persian"},{"productid":"AV-CB-01","productname":"Amazon Parrot"}]} The Json format of combobox loading is as follows: [{"productid":"FI-SW-01","produ

Embed Combobox and easyuidatagrid in the DataGrid of EasyUI When working on the project, you need to embed Combobox in the DataGrid of EasyUI. After several days, with the help of everyone, you can finally see how it looks like: The core code is as follows: In the Combobox editor, the data source url: '/News/returnisenableddata' corresponds to the method

When writing Winform programs, we encountered a conflict between the comboBox binding event and the index item change event, that is, the error "the item set cannot be modified after the DataSource attribute is set". We checked a lot online, most people say that the index item is changed to a non-empty judgment, and another guy adds a successful binding status to assist in the judgment, but I did find that it was not enough, later I met a dude who hel

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,Use Ext. get ('comboid'). dom. value to obtain the text value of the selected item in combobox,The value to be submitted in

Document directory Html Script Description JQuery. combobox is a lightweight jQuery plugin which transforms a textbox into a combobox, so users can enter text or select from supplied options. It cocould be called more than once on the same textbox, However only the first time calling counts -- which means you can't change the suggestions once the combobox i

ComboBox contains three items: 1, 2, and 3. 1 is selected for 1st times, and all four events are triggered. When I select 1 again, 4 does not appear, and 3, 2, and 1 both appear. Private void combobox#selectedindexchanged (Object sender, eventargs E) { MessageBox. Show ("1 "); } Private void combobox#selectedvaluechanged (Object sender, eventargs E) { M

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

：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