textbox

问题 I have seen many others with similar problems but I cannot find the flaw in my logic here. Any help would be greatly appreciated. I have a Panel which I have added numerous label and textbox controls to, ie: myPanel.Controls.Add(txtBox); These controls are created and added in a method called previous to the iteration method. I want to iterate through each textbox and use its Text property as a parameter in another method but I am not having any luck. Here is my attempt to iterate: public

问题 I have a Windows.Forms.TextBox that I'd like to allow the user to enter escape sequences that are then interpreted as the character they represent. For example, if the following is entered: Hello\r\nWorld I'd like it to be stored as the character array: H e l l o \r \n W o r l d 0x48, 0x65, 0x6C, 0x6C, 0x6F, 0x0D, 0x0A, 0x57, 0x6F, 0x72, 0x6C, 0x64 Thus far, I'm using the following to handle '\r' and '\n', but I'd also like to be able to handle any other escape sequence, like \u001A (ctrl+z),

问题 My Text is declared as, Text text= new Text(parent, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.WRAP); It should be disabled in some cases. But when I do text.setEnabled(false); the text's scroll bar gets disabled too and i am not able to see the value in the Text completely. My Text Field cannot be READ ONLY. It should be editable in some cases. I am aware of setEditable() method in Text, but I would like to have the same behaviour as when the Text is disabled i.e, background color change,

问题 I have a simple user control with a TextBox . I want to change the color of user control when the TextBox gets the focus. This is what I have: <UserControl x:Class="OutLookContactList.ContactSearchControl" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" x:Name="root" MinHeight="30" Loaded="UserControl_Loaded"> <UserControl.Resources> <Style x:Key="searchTextBoxStyle" TargetType="{x:Type TextBox}"> <Style.Triggers>

问题 I have a search box on a page (actually in a partial view though not sure that is relevant) with an Html.TextBox control. <%= Html.TextBox("query", ViewData["query"], new { style = "width: 90%;" })%> The action method takes "query" as a parameter, and I edit this value to clean up the string that is passed in: public ActionResult SearchQuery(string query) { ViewData["query"] = StringFunctions.ProperCasing(query.Replace("_", " ")); However, when it gets to the Html.TextBox the original query

问题 I have a email form text box that while it is empty I would like it to have the value "E-Mail" And when you click on it the text goes away. If someone clicks on it and doesn't enter text. on Blur I would like for it to return to having the default text. I have been trying a few things but nothing is working. Could someone please point me in the right direction? 回答1: Or you could just use the placeholder html5 attribute: <input type="text" id="keyword" name="keyword" placeholder="Type keyword

问题 I have a multi-line text box that displays some values based on data it gets given, (Generally one value per line). (For the purpose of having a tool tip popup with some 'alternative' data) I would like to get the word (or at the very least the line) that the mouse is hovering over so I can then find what alternative to display. I have a few ideas of how to do this with calculations based on the text box and font sizes but I do not what to go down this road as the sizes and fonts may change

问题 I am creating a program that when my runners enter their time into a text box it will immediately export it to a file on their desktop(pre created) called times.txt. Each time they enter a time I want the time they entered to be added on a new line in the notepad file. Here is the code I have so far: Public Class Form2 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click End Sub End Class Can anyone give me the code I need for this? 回答1:

问题 I was just trying to write a simple javascript program that will demonstrate to take user input from text field, and clicking the button will display the summation result of those number in another text field. But unfortunately the below code is not working. I am totally clueless in doing this. Clicking the button does not show anything in the result text field. Please help. <body> <div> <div> <h1>Add two number using text box as input using javascript</h1> </div> Enter First Number : <br>

问题 My control properly starts as transparent, but once I enter text, it's going to a regular white background. If I move my mouse over the control, it fires the OnPaint again, and is able to draw the control with text correctly. How can I get it to paint the transparent background when text is being entered? Default: Directly after entering text: After moving mouse over, to force OnPaint to fire: ref class CustomTextBox : System::Windows::Forms::TextBox { public: CustomTextBox() { SetStyle