WebFeb 22, 2012 · I am trying to set selected item of comboBox on click event of DataGrid, but I could not. I have googled and tried different ways but without success. For me SelectedIndex is working, but I could not find the index of items in ComboBox, so I could not select the item. Not working code: WebApr 26, 2010 · 如何将下拉框设为阻止用户输入——只能选择无法输入 1.将DropDownStyle的属性设为DropDownList 2.使用代码实时修改 //设置样式为用户无法输入 …
C# - how do I prevent mousewheel-scrolling in my combobox?
WebApr 15, 2012 · Sorry for VB.NET code, please convert it to c#. I prepared the following function bcoz of .NET 3.5 Windows Application: Public Function FindIndex_by_value(ByRef combo As ComboBox, ByVal value As String) As Integer Dim idx As Integer For i As Integer = 0 To combo.Items.Count - 1 Dim itm As DataRowView itm = combo.Items(i) Dim vl As … WebApr 1, 2016 · 2 Answers. Sorted by: 8. You need to specify one of the properties in the bound source as its DisplayMember which is going to be displayed and the same or another property as its ValueMember which you can access through selectedItem.Value. comboBox2.DisplayMember = "Name"; comboBox2.ValueMember = "Name"; Share. … paravia agenti di zona
[C# WinForm] 如何讓 ComboBox 也能設定值 (Value) 與名稱 (Text)
WebAug 5, 2012 · For the text area, find the Edit control and set the ES_CENTER style for the control. For the dropdown items or the selected item in drop-down mode, to align text to center, just make the control owner-drawn and draw the text at center. Get rid of focus rectangle. Make the control owner-drawn and just don't draw focus rectangle. WebFeb 28, 2009 · 0. I tried ComboBox1_KeyPress but it allows to delete the character & you can also use copy paste command. My DropDownStyle is set to DropDownList but still no use. So I did below step to avoid combobox text editing. Below code handles delete & backspace key. And also disables combination with control key (e.g. ctr+C or ctr+X) WebJun 27, 2015 · ComboBox don't allow empty value to the user. I want the user to not be able to select an "empty" choice from the ComboBox (drop down style). This can be done if the user deletes the text of the ComboBox with his keyboard. I have tried having a SelectedIndexChanged event and try to detect if the user sets the value to null and … オニオンリング 簡単 から揚げ粉