I am trying to bind a textbox to a binding source (using the IDE DataBindings Editor) and it works fine except for one thing: if I delete the text I get the subject error. What I want to happen is the datarecord field be updated to a dbnull value -- how do I get that to happen?
I have 200+ text boxes in vb.net application. Let me make it clear all are simple text boxes. now customer demand to have formatted number value while input or viewing record. With Format() i can play for viewing but during add/edit mode in text box (While user typing value) nothing happened I want this result 1234567.0090 to 1,234,567.0090 during input.
or guide me any way by which i change all text boxes to mask textboxes through any tool or code.
I am reading text from a file (*.TXT) 1 line at a time using streamreader. As I read that input, I am looking for specific starting and ending character strings ("<" and ">") . When I find those strings, I would like to select the characters between those string and have it set to BOLD and BLUE before appending that input line to the contents of a richtextbox.The only way I have found to do this is to first append the input line to the richtextbox then use the richtextbox.selection (color and font) methods to change the text.
I have a CheckedListBox and a thumbnail control and I am trying to save and retrieve back the images along with their path.
I need to show their image path in the checked list box which I am able to do but I am unable to get the images.
I want to know how to read Images from the saved text file and display it in the thumbnail control.
Here is the code:
Private Sub LoadProject_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles LoadProject.Click Using ofdlg As New Windows.Forms.OpenFileDialog
On the main form of my application, I have a Rich Text Box which is where the user will be entering information. The text is black. then, i have a button which calls the dialogue "Notes" A dialogue appears, with a rich text box. the user should then be able to enter text into the box, click "OK", and the text entered into the Notes dialogue be inserted to the rich text box on the main form -- with the font colour "Red". The rest of the text in the main rich text box on the main form should remain black.
I'm making a front end to dvdauthor.I have a picturebox which holds the menu background. In order to draw a textbutton on the background image I store the image in a hidden picturebox. So the text doesn't get drawn to the visible background.
Dim ctl As Control For Each c As Control In pbMenu1.Controls If c.GetType() Is GetType(TextBtn) Then[code]...
This works the first time. But if I hit save again it writes the text to the background image on pbMenu1.
I'm making a custom control that needs to look like a Text Box but I can't Inherit Directly from text box since I need to add, Change and Override so many things that it would be more practical to just inherit Control and start new.
But now my question is: Is there an easy way to create the basic functionality of a Text Box like drawing the Text Box and handling input ?
I have a form that has a web browser to display the word doc. I want to be able to edit this word doc with a text box. How can this be done. I searched for this online and came up with this: [URL] But I'm not really sure what to do with it.I have some code: Public
I've been trying to print out a text string to a printer that I have connected. I cannot print using the PrintDocument.Print() as this sends the string as a graphic to the printer.I don't know C# and I am very new to full fledged VB having spent most of my time using VBA in Excel
experience on how to create an engine using C# (VB.NET is okay too) that is generic enough to handle most cases of MS Word text fields I need to fill with data I'm getting from a database? In short, I'm about to embark on this little Office automation excursion and I'm hoping a little bit of feedback here.
i want to take a comma delimited text file and then select all unique records based on one of the fields in the text file. should i read the text file into a data table or just use a data reader?
Currently, I've used System.IO.StreamWriter to write items to a text file. However, what I have are items separated by a Writeline(). Meaning, the items are displayed in several rows, in a column. But what I want is a single row, with many columns, separated by commas for each item. Example of what I want: 16/8/2010,100,you
vb.net Dim psBattery As PowerStatus = SystemInformation.PowerStatus Dim perFull As Single = psBattery.BatteryLifePercent Dim Now As DateTime = DateTime.Now
I am making a word processor, in VB 2008 and one problem I'm having is creating a save, print and open features. I have done the dialog bit, so when I click my save, print or open buttons the open, print or save window opens, but it's just the next bit that's mind boggling; writing a code so the file will actually open, save or print!
What would be the fasted method of get a string list of all values within [] in a string of text? For example: [client_name], are you are doing today? My name is [my_name]. The list of strings would be:
Basically, I want to have a text box that will display text associated with the text input.
For Example:
input : 512 output : TEXAS
or
input : 659 output : ALABAMA
I have heard that it is possible to do this, and I would like to find out a way to. Even if I need a separate text file with the arrays, I would like to get this to work.
If my Category and Forum selection is incorrect I am sorry and feel free to move it. I'd like to have the users input in the message box that will show. For example: There is a textbox and the user puts in their name as Bob. Then the message box would be: What my main goal is, is being able to include the users input they type inside the textbox inside the message box.
I'm returning a database query into a List object and using that list object to fill the X and Y axes of my chart as seen below. (_runData is a "List(of DatabaseTableName)" style Object filled with the results of my query.
Primary_Chart.Series(0).Points.DataBindXY(_runData, "DateTime", _runData, "UPPER_PRESSURE") My Datetime field is returning as a Serial Number (i.e. 40116.76111) so I want to format the X Axis to display the field more readably. Enter my problem code.
I am trying to make a notepad type thing that uses tabs. Each tab has a rich text box on (After being added via buttons) but am really unable to find a way to get the print preview to preview a certain, single text box on tabs. And obviously i can't add them manually (that i know) as loads of new tabs can be added at any time by the user.
What's the code for input and output text?Ex.I have two textboxes. Textbox1 and Textbox2 I type in "1 2 3" in Textbox1 I press a button and it converts the numbers to it'scorresponding letter, like A B C. I need a code so that I can do that