textbox | 易学教程

Autocomplete that looks for symbols a string contains rather than starts with

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问题 I'm writing a program that at one point implements a TextBox with autocomplete. Currently, for purpose of simplicity I'm using CustomSource manually populated by several entries at design time. While autocomplete works fine, I'd like it to make suggestions that don't simply start with the currently entered text, but contain it at any position in the stored choices. For example, if words "globe", "lobe", and "glide" are the stored options, typing in "gl" correctly suggests both "globe" and

Workarounds to access the Readonly Textbox value on server side when changed through client side script

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问题 I have a Date Textbox in each row of a Grid View. As the users must not be allowed to put their own values in the text box, we have set the property as ReadOnly="true". And provided a calender java-script plug-in which sets the Textbox value. Now when I am trying to access the date Textbox on save click, the Textbox value is not persisted. I knew about this issue and resolution for this too. We need to set the readonly attribute on server side to resolve this issue. But my biggest concern

how to exit text box after clicking outside the cell

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问题 I accidentally found this code on the web and it has solved most of my problem, however there is one thing that i want to add to this code but i don't know how my question is, how can i exit the textbox after a user has double clicked it or after the user has finished editing it? <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <title></title> <script type="text/javascript"> /*<![CDATA[*/ function INPUT(id){ var obj=document.getElementById(id),tds=obj

How do I hide the input caret in a System.Windows.Forms.TextBox?

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问题 I need to display a variable-length message and allow the text to be selectable. I have made the TextBox ReadOnly which does not allow the text to be edited, but the input caret is still shown. The blinking input caret is confusing. How do I hide it? 回答1: You can do through a win32 call [DllImport("user32.dll")] static extern bool HideCaret(IntPtr hWnd); public void HideCaret() { HideCaret(someTextBox.Handle); } 回答2: When using the win32 call don't forget to hide the cursor in the textbox's

Clear Text of All Textboxes in Selected Tab

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问题 I have a form that has a tab control and each tab has a number of textboxes , labels and buttons . I want to enable the user to clear all text in the textboxes of the selected tab. I have tried private void resetCurrentPageToolStripMenuItem_Click(object sender, EventArgs e) { foreach (TextBox t in tabControl1.SelectedTab.Controls) { t.Text = ""; } } The above code throw an InvalidCastException with the Message Unable to cast object of type 'System.Windows.Forms.Button' to type 'System.Windows

How does StackOverflow's 'tags' textbox autocomplete work?

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问题 I know they're using a jQuery plugin, but I can't seem to find which one they used. In particular, what I'm looking for is autocomplete with exactly the same functionality as SO's autocomplete, where it will perform an AJAX command with each new word typed in and allow you to select one from a dropdown. 回答1: Note that the tag editor has been completely re-written now, and no longer resembles the original, simple text box w/ suggestion drop-down that adorned the site for nearly three years. If

How does StackOverflow's 'tags' textbox autocomplete work?

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How to use PasswordBox as TextBox? [closed]

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问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 7 years ago . I have a PasswordBox and I need to use this control even as a TextBox . I need to display normal text and not the typical black dots Is there a property to do this? Thanks. 回答1: Here is your answer: Use a Textbox

How to use PasswordBox as TextBox? [closed]

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validating textbox in windows form application

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问题 how to validate the textbox without allowing spaces in windows form application using C#.net in my project .i can validate the text box ,without allowing spaces.... in this two things ............. 1.only spaces are not allowed 2.after entering one or two characters textbox accept spaces........... 回答1: You can restrict the user from entering space in the TextBox by handling the KeyPress event void textBox1_KeyPress(object sender, KeyPressEventArgs e) { e.Handled = (e.KeyChar == (char)Keys