I want to modify this code or replace it. I want to override the the textbox's textchanged event in a user control.
Protected Overrides Sub OnTextChanged(ByVal e As System.Windows.Forms.ItemChangedEventArgs)
MyBase.OnTextChanged(e)
End Sub
[code]......
I'm trying to validate a few things in a form I'm building. It has a datagrid with clients info (taken from an access database) and a few textboxes where the user can type some search criteria. The thing is that those same textboxes are used to add new clients to the database and to modify a client's information if one from the datagrid is selected, so I made it that the buttons to insert and modify clients are disabled on load and thenevery time the text on a textbox changes ("TextChanged" event) they become enabled. So far so good. But then I wanted to make it so when a client from the datagrid is selected both buttons become disabled again until the text on a textbox changes (to make sure they're adding a different client and not the same one that was
selected).
I tried using the CellClick event from the datagrid to disable the buttons, but since every time a client is selected from the datagrid the info is shown on the textboxes, this triggers the TextChanged event too, and the buttons become available.So, is there a way I can tell the TextChanged event not to be triggered when the CellClick event occurs?
Is there a way to find out if the "TextChanged" event is fired because the user is typing into a textbox or the programmer called myTextBox.Text = "something"? I don't want to react when the user is typing each letter into the textbox so I am using the "Validated" event to catch when the user is done so I can react. The problem is I don't have a way to catch when the programmer does "myTextbox.Text = "something". The only way I know to catch changes there is to use TextChanged but then I don't want to be reacting when the user is typing each letter into the textbox.
View 4 RepliesHow can I bypass the TextChanged event if I populate the textbox during loading?for exampleWhen the VB Win form application starts it loads several text boxes with deflt information.thus firing the TextChanged event. (which I don't want to happen)
View 6 Repliesi have one project any one textbox.i want to get the textbox value without textchanged event how to get the textbox value. means when i change the textbox value then the text changed event is fired but when i clicked one another textbox at that time i want to get the textbox value in vb.net
View 1 RepliesI want to let TextBox control TextChanged event fire only when there are more than one character in the TextBox.
View 2 RepliesI have a Textbox on my application that recieves data from another application via a sendmessage call from the other app.
I can see the data being entered in the textbox but the TextChanged event never fires when the text changes. I need to process the data that is sent but since the event does not fire I'm kinda stuck..
Windows forms Application. VB .NET 4.0 In my application I have a global boolean variable that keeps track of when changes are made and when they are saved called changesSaved. On closing even it checks the value of this variable before closing the window.. I am using textchanged event to automatically change the value of changesSaved to FALSE when text is changed.. Problem: The group box items are being populated dynamically so the user can edit the values or simply just view them. This dynamic population is causing the textchanged event to fire because the program is changing the text value of the box to put the values in that are stored in the database. The textchanged event should not fire unless the user him or herself enters a value or values in the text boxes..
Is there a way to specify the source i guess you could say for the text changed event or another way so that it will only fire when the user inputs information.??? Functions are as follows: The first is called by the load event to place the values in the box... The next one is the one that is being called as a result of the first one and is also the one that is causing the problems.
[Code]...
Setting a textchanged event to only fire when text is actually entered by user not program
View 1 RepliesI'm using ASP.Net 2.0. I have a custom control that is inherits from a 3rd-party vendor's control. I'm trying to override the Render method. [code] What I need is that under certain situations I want to be able to render a Button instead of the original control.But I want the Button to have the same client Id as the control so that I can use javascript to manipulate it.How do I assign a clientid to the button?
View 1 RepliesI have used thirrd party tool from BigSpeed for file transfer. When ever I am trying to assign a value from (txtUserName) to the property like
FileTrans.GetUserName=txtUserName.text.trim
It gives error as Readonly property..... That means I can not assign a value to it.
I have a usercontrol with a picturebox and a few buttons related to it, such as LoadFromFile, Paste and Zoom (that last one pops up a new form). Is there a way to override the basic Enabled property of the usercontrol so that I can keep the Zoom button active all the time, while turning off the other buttons?
I realize there are 2 "obvious" replies. don't do Enabled=False, create a custom method. do everything in the one form, not a usercontrol, so you can pick and choose disabling. Both are less than ideal, given that I'm putting this control into a couple of existing forms, so I'd like to work around how those forms already behave. So is there a way to override the behavior of my usercontrol when it gets disabled? What would be my best strategy?
how can i call a VB function - deleteevent() in usercontrol.ascx.vb from a javascript function in clickhandler(e) in usercontrol.ascx. The call should cause a postback because I need the usercontrol to display the changes.I am currently trying to do it by using a linkbutton with style display:none, and calling its click event from the javascript function. But i dunno how to call the click event.
View 2 RepliesI want to set the TextChanged event in NumericUpDown box,so that when you press a key, it instantly fires the textchanged event.The default ValueChanged event of the NumericUpDown box does not instantly fire the ValueChanged event. You need to first press the Enter key after you enter a number.And I read somewhere that NumericUpDown box also has a TextChanged event.How do I set the TextChanged event in the NumericUpDown box?
View 2 RepliesI have one table here with a list of UserIDs, Users, and ClientCodes.Each user can be assigned a client code to view that client's data else where.Right now I have to change it for everyone via SQL Server and actually going into the table manually, but I'm trying to make a simple little program that will let the user change it themselves.All I need is a textbox that pulls the user based on a certain UserID from the table, and a drop down list that will not only show the current ClientCode they're set to, but allow me to change it and save that change to the table in the database.What's the best way to go about this? I tried using the wizards but I guess that's not the best way to go about it.I have it displaying the correct user and their current ClientCode but that's about it.
View 14 RepliesPrivate Sub TrackBar1_ValueChanged(ByVal sender As System.Object, _
ByVal e As System.EventArgs) _
Handles Trackbar.ValueChanged
txtYears.Text = Trackbar.Value
End Sub
This is the code for the trackbar. At the moment as the user moves the trackbar it inserts the value into the textbox. I want this to work in reverse also. user inputs value into text box, trackbar moves.
I know it is possible as my professors program does this.
I need to know this because I am in a situation that I cannot find a alternative. I am using MaskedTextBox and has a Mask of "__/__/____". Obviously, It's a date format. Now, I cannot get if the MaskedTextBox is string.empty because it is not an empty. I cannot use "If MaskedTexBox.Text = "__/__/____" then " condition also because It never captured. If I used MaskTextBox.MaskFull = false, It gives an error on creating form. So I came up with an idea that would subtitute to TextChanged Event.
[Code]...
I was wondering if there's an easy way to make a cell textchanged event for a datagridview, like you have the textchanged event for textboxes, an event that gets triggered everytime the user press a letter/number/symbol/backspace/space, so i can check in that event if the datagridview has changes and whether i should enabled my save button to save the changes made.
Or is there a better way to check whether i need to enable my save button?
In my asp.net application, i am using a lookup to enter data to a textbox.For making lookup i have used jscript.I have a button for this lookup from which i am entering data to this textbox.so, i am not entering values directly to the textbox.After entering values to textbox, the textchanged event is not working.What could be the reason?
View 1 RepliesI have a user control which is essentially a main menu I can place it into my MasterPage hard-coded, but I don't want that, I want to be able to dynamically place it with the code behind of the MasterPage.
<controls:mainMenu ID='MainMenu1' runat='server' />
So what I am looking to do is something like
if **condition is true ** _ response.write('<controls:mainMenu ID='MainMenu1' runat='server' />')
Of course, I know that won't work, but how would I place the control based on a condition in code behind on the master page?
I need to upgrade my application to a modern style interface component like Dotnetbar or Krypton,these doesn't provide a equivalent control for bindingnavigator so I have to create it with some buttons and textbox.I use bindingnavigator only for navigation as in the image
It is possible to create a user control (with 4 buttons and a textbox) that inherit bindingnavigator and to have new style buttons ?
I trying to draw a bar chart based on the five values getting from the user via textbox...When i run this program no error is occured, but the chat is drawn...Can anyone please help me out in this regard.
here is the code i have so far
[code]...
I have invoice form bound to a bindingsource and bindingnavigator. In the form I have unit price, quantity and total textboxes. The total textbox text property is set to total.text = quantity.text * unitprice.text in the textChanged event of both quantity and unitprice text boxes. The result is displayed in the total textbox. But when i hit save button on the bindingnavigator it is set to null and not saved to database. [code]When I used msgbox to see the value of total textbox before bindingsource.endEdit() it is the correct value. but after the code bindingsource.endEdit() it is null. I checked the databinding property and it is correct. What is the problem.
View 1 RepliesI have two functios to catch enter key:
Protected Overrides Function ProcessCmdKey(ByRef msg As System.Windows.Forms.Message, _
ByVal keyData As System.Windows.Forms.Keys) As Boolean
Dim handled As Boolean
If keyData.Equals(Keys.Enter) Then
handled = TypeOf Me.ActiveControl Is ComboBox
Me.SelectNextControl(Me.ActiveControl, True, True, True, True)
[Code]...
I have a combobox that has a text portion that is clearing for unknown reasons and the TextChanged event is not firing.
View 9 RepliesWhat i have in a text box that is the discount. The text box talks to the label as you type and updates it accordingly The problem is that once the discount_rate.text get to 10 or above the discount is off by 5 cents and increases as the number goes up..
Private Sub discount_rate_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles discount_rate.TextChanged
Select Case radio
Case "one"
If discount_rate.Text = "" Then
[code]....
I am having a problem getting my prgram to reclaculate upon a Textchanged event. it works fine on LostFocus, not sure what I am missing here is my code..[code]
View 1 RepliesThe code is listed below which hopefully illustrates what I'm trying to do:[code]....
View 12 RepliesI have a TextBox control being used to capture an IPAddress from the user.I want to be able to allow them to change that IPAddres at which point the new value will be utilized by the appropriate .NET socket class to ping that new address.What other event is used with TextChanged to indicate that the user is done making changes to the TextBox. The Leave Event?
View 3 RepliesI am developing windows application in vb.net.in this project i want to set the Richtextbox height according to the content in that richtextbox. For this i want to call the Richtextbox textchanged event on button click Here is my code but i got error
on button click
RichAll_KeyPress(sender, New KeyPressEventArgs(e))
[code]...