combobox

问题 private List<string> mylist = new List<string>(new string[] { "Visitor Seen", "Update Reason", "Ghost Sighted! HELP!" }); private void setupDataGridView() { dataGridView1.Columns.Add("ID", "Visitor ID"); dataGridView1.Columns.Add("VisitorName", "Visitor Name"); dataGridView1.Columns.Add("SignInTime", "Sign In Time"); dataGridView1.Columns.Add("Reason", "Reason For Visit"); DataGridViewComboBoxColumn comboCol = new DataGridViewComboBoxColumn(); comboCol.Name = "comboActionableItem"; comboCol

问题 Before displaying the UI, data will be retrieved from database and these data to be displayed on screen. Now I have a screen with 2 fields. One textbox and one combobox . Value of textbox being bind as below: <TextBox Text="{Binding [someViewModel].person.name, Mode=TwoWay, ValidatesOnDataErrors=True, ValidatesOnExceptions=True, ValidatesOnNotifyDataErrors=True}" Now I have a ComboBox that get the list of value from database, says Yellow, Green, Blue Below is the way I bind ComboBox :

问题 So I have two combobox's. The first combobox has all the states and the second would show the districts of the selected state. Note that the options are coming from a .txt file. So in this case the "states.txt" file is formed like "state code;state". Ex: 01;New York 02;New Jersey ... The state combobox is working fine, below is the code used: List<string> States = File.ReadAllLines("states.txt").ToList(); foreach(string Line in States) { string[] state_element = Line.Split(';'); combo_states

问题 I have written a code which will extract all the sub folders which is present inside a particular folder/Directory. Here is the code. ComboBox10.List = Split(CreateObject("wscript.shell").exec("cmd /c Dir ""C:\Users\inkapb\AppData\Local\Temp\EPC AutoTool\Projects\*."" /b /s").stdout.readall, vbCrLf) Here in the above code all the sub folder path is getting populated instead of the subfolder name. Can any one help me to achieve my requirement 回答1: I have a different piece of suggestion to

问题 i am trying to create a comboBox on a form inside a for loop but i am unable to do so, can someone help? i found this code on stackoverflow however this doesn't seem to work on my version of EXTJS which is 3.3 stackoverflow code: for (var i=0; i < 8; i++) { Ext.create('Ext.form.ComboBox', { fieldLabel: 'Combobox '+i, store: ['Option1','Option2'], //better to use a dynamic store renderTo: Ext.getBody() }); }; My Code: var questionStore2 = null; example.SurveyFieldDefaultWindow = Ext.extend(Ext

问题 Is it possible to disable the keyboard controls for a Combobox in ZK? That is, when a user enters some text into a Combobox, by default they can use the arrow keys to move up and down the list. I would like to disable this functionally as it doesn't work well with the user experience we are designing. I see nothing in the documentation explicitly. 回答1: You can override _doKeyDown js function, e.g., <zk xmlns:w="client"> <combobox> <attribute w:name="_doKeyDown"><![CDATA[ function (evt) { var

问题 I'm trying update the grid with the edited values. When I update the bus type and give update, the binded value in the back end is valueFied that's the id, But when I update only time and name the bus type cell renders the displayField which fails the gridupdate at the back end saying Integer value error, since the display field is the string , How would i always render or bind the valuefield to the back end no matter what i update and display always the type name, here's the fiddle to try

问题 I had an issue with Combobox onchange event: Basically if i select manually an item from combobox1 it load/write/save back the file as planned, but if i want to do the same with a loop when i hit the UpdateBtn , it partially work. (loop is work, and stop on last element, but not create the desired file.) I want to do if i hit the UpdateBtn then the Timer2 kick in , fire (or simulate the manual selection) the onChange event of the Combobox, and create the file as manually works. May i missed

问题 i have 2 boxes, i'd like to populate the 1st from sql and the 2nd based on the first (querying sql too) public void Country() { using (SqlConnection conn = new SqlConnection(connectionString)) { using (SqlCommand cmd = new SqlCommand("SELECT DISTINCT CountryName FROM Country", conn)) { using (SqlDataAdapter da = new SqlDataAdapter(cmd)) { DataTable dt = new DataTable(); da.Fill(dt); DataRow dr = dt.NewRow(); dr["CountryName"] = ""; dt.Rows.InsertAt(dr, 0); this.country.DisplayMember =

问题 This is a continuation from a previous post of mine: How to select a printer for entire job?, where I basically want to print a series of reports from a form in my Access database. Which refers to this help doc: https://msdn.microsoft.com/en-us/library/ee336132(v=office.12).aspx I'm trying to create the combobox with active printers in it in order to temporarily change the default printer for a series of documents. I'm tripped up on where it says "pass a reference to a ComboBox control"...