Return TextBox Triggers Event?
Jun 11, 2011Anyone know how to make the return key used in a text box trigger an event?
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Calling The UpdatedDb Sub When The .CellEndEdit Event Triggers And When The .UserAddedRows Event Triggers?
Oct 19, 2009I use the following code in a Sub called "updateDb" to accept changes back to the Db, etc. in the .CellEndEdit event from a DataGridView:
Try
' Write changes back to actual .mdb file
' Accept changes from DataGridView object
Me.Validate()
[code]....
Which is the most appropriate event to handle for this task? Right now I'm calling the updatedDb sub when the .CellEndEdit event triggers and when the .UserAddedRows event triggers.
Add An Event That Triggers When Form It Is On Re-sizes
Jun 28, 2009I have a custom class. I would like to add an event that triggers when the form it is on resizes. Is there a way to do this?
View 1 RepliesHandling Rapid Event Triggers?
Apr 22, 2010I am using an activeX control to read data from an external source. This data is processed in 5 second increments. Each piece of data is passed through an event. When the event triggers I call a "decision" procedure from the event to process the data and make decisions on what to do, i.e. call other procedures, store the data, etc... This works fine when I have a small number of samples (around 10), however, when the number of samples increases to say 100, that is I am recieving 100 pieces of data every 5 seconds, the "decision" procedure does not fully run. Is it possible that the event trigger is causing the code to exit the "decision" procedure prematurely? I know that the "Decision" procedure starts since I have written data from the beginning of the procedure but not the end of it. how to handle the rapid event triggers?
View 7 Replies.net 2008 DatagridView - Changing What Triggers An Add Row Event?
Nov 3, 2009I have a datagridview which is populated from the SelectionChangeCommitted event of the combobox. The datagridview contains both bound and unbound data columns (see below).
View 1 RepliesSuspend Event Triggers When Computer Wakes
Jan 8, 2012[code]I get an error that the connection to the IMAP server has disconnected because the suspend event is not triggered until the computer wakes. How do I get the trigger before the computer sleeps?
View 2 RepliesButton - .NET: MessageBox With YesNoCancel - No & Cancel Triggers Same Event?
Feb 13, 2010I have a message box with YesNoCancel button..
Pressing Yes will do some action and close the app - works fine,
Pressing No will do nothing and close the app - (see below),
Pressing Cancel will Do nothing and keep the app open - (see below).
I'm using DialogResult.No for No button and DialogResult.Cancel for cancel button. But pressing either of them triggers DialogResult.Cancel event. Whats the problem?
VS 2010 Tooltip Triggers - Hover Event Handler
Jun 26, 2010I'm working on a program with a fairly complex graphical interface. Due to the volume of information possible in the interface, the tooltip, or something like it, seems likely to be a fairly critical means of obtaining feedback. However, after a bit of testing, there are a few features that I am not really enamored with. First, I am changing the tooltip text dynamically based on the portion of a control that the mouse hovers over. This is done in the Hover event handler. What I am seeing is that once the hover event is raised once for a control, it appears not to be raised for that control again unless the mouse leaves the control and re-enters. Therefore, the tooltip is set based on where the mouse hovers the first time it hovers on the control, then doesn't change until the mouse has left the control.
More disturbingly, the tooltip sometimes doesn't show up at all. It appears that if I am quick enough about moving the mouse over the control, then hovering does nothing and no tooltip shows up at all. The way to get the tooltip to show up is to move the mouse smoothly, and somewhat slowly, over the control, then pause. As long as the motion is slow enough, the tooltip always shows up. However, if the mouse is then moved, the tooltip goes away, and won't return until the mouse has left the control and come back to it. So basically, First, I will look into showing something on MouseMove rather than Hover, as Hover appears to be inconsistent, at best. Yet that doesn't solve the problem that the tooltip is too inconsistent in behavior. Is there an alternative, or timing property settings for the tooltip that improves responsiveness?
Create ImageButton Click Event Triggers Calendar Popup?
May 12, 2008I am writing a web page, on this web page there is a txtStart and txtEnd. Next to them I have Calendar ImageButtons. I would like to code it so when the ImageButton is clicked a calendar popup appears and when they select a date on the popup it goes away and the date is populated into the txt. Format MM/DD/YYYY. Can anyone help me? I have been looking online for hours now and only find solutions for C# users or for a seperate page all together. I am writing my code in VB and I cannot make new pages. Here is my web page code:
<%@ Page Language="vb" AutoEventWireup="false" CodeBehind="PSInventoryRelease.aspx.vb" Inherits="DigeControlCenter.PSInventoryRelease" %>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="TC" %>
[code]....
Triggers An Event After Multiple Command Buttons Are Pressed In A Certain Order
Nov 16, 2010I've been searching for the answer for this all over, but I can't seem to find the solution. I have no idea how do this. A code that triggers an event after multiple command buttons are pressed in a certain order. For example: I press Command1, then Command2, then Command8, then Command5, then an event happens. It's kind of similar to entering a code to activate something.
View 4 RepliesVS 2008 Call KeyUp Event From MouseUp Event For A Textbox?
Aug 16, 2010In VB6 we had a code inside textBox_MouseUp to call textBox_KeyUp(-1, 0) and the signature of KeyUp was
Private Sub textBox_KeyUp(ByRef KeyCode As Short, ByRef Shift As Short) Handles textBox.KeyUp
Now when I migrate to .NET I changed the KeyUp event to Private Sub textBox_KeyUp(ByVal sender As System.Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles textBox.KeyUp
How can I do this call textBox_KeyUp(-1,0) now from textBox_MouseUp event?
.net - Why Not Have OnXXX Event Raiser Methods Return A Value
Jun 2, 2009Say you have an event raiser method (OnXXX) that raises an event using the CancelEventArgs class is there anything wrong with having the OnXXX method return the value of e.Cancel?
For example:
Public Sub ProcessFiles(folder as DirectoryInfo)
For each file in folder.GetFiles()
If OnProcessingFile(New FileEventArgs(file)) Then
.....ProcessFileCode
[code]....
Use A Button.click Event To Return To A Tabitem?
Dec 29, 2011I'm using VB2010 and I want to be able to create a button.click event that will return the user to an open tabitem. All my research is yielding information on how to create a closeable tab item, but that's not what I'm looking for.
View 1 RepliesSerial Port Event Does Not Return To The Interrupted Subroutine?
Sep 30, 2010I am running a Windows Form application, in a button called subroutine is controlling a series of events in a with a timer with 500ms ticks. There is an IO port that will send information asynchronously about another set of events that need servicing from an external device. I want to deal with the event from the IO port and return to the original subroutine, but it appears the once I complete the delegate subroutine called by the IO event, the program does not return to the subroutine that was running. Do I need to resort to polling or is there another solution through threading?
View 2 RepliesReturn Key Event Make WriteFile For Com Port 0 Bytes Written?
Jan 22, 2010I have textbox with vbscript, user could type integers, then hit return key, KeyUp event for return would trigge theWriteFile()being called for com port to write string to the device, if Ihit return key slow, I would get 0bytewritten for WriteFile(), timeout happening basically,if I hit return keyquick,
View 1 RepliesDetect If Press Enter In The Textbox Change Event And Not In Textbox Keypress?
Dec 13, 2011how can I detect if press Enter in the Textbox Change event and not in Textbox Keypress?
View 3 RepliesControl Triggers The Commands Twice?
May 17, 2012I have this question about the control triggers, I have this project that have textbox, using it's textChanged function and setting the autopostback in to true.
Now, when I trace the command I have notice that the function have been triggered twice, and I just want to know now how that happens and how I can set this to trigger only once.
List All Triggers In A Database?
Jun 14, 2010Is it possible to list all triggers in all tables on a database?I can list all user stored procedures with:
Private Sub StoredPro()
Dim theServer As Server = New Server(serverName)
Dim myDB As Database = theServer.Databases("mydatabase")
Dim dt As DataTable = myDB.EnumObjects(DatabaseObjectTypes.StoredProcedure)
End Sub
But nothing obvious in SMO for triggers. (I'm actually trying to list just custom triggers, any that are not named DEL_tablename, INS_tablename, UPD_tablename) within the selected database.
MouseWheel Triggers 3 Times
Mar 28, 2010the MouseWheel event triggers 3 times every time i scroll ... this i believe is because i have my wheel set in windows to scroll 3 lines at a time but i am updating a "zoom" and only want it to trigger 1ce per wheel movement any ideas?
View 9 RepliesHow To Catch Return Hit (enter) On TextBox
Jun 13, 2012How to catch return hit (enter) on TextBox?The following does not work. I am keep getting error "KeyPress event can't be found".[code]
View 2 RepliesImport Value From Textbox Into Function And Return Value
Apr 11, 2009so im using the Imports System.Math to help implement trig functions//what im trying to do is import the value from the textbox into the function and return the value. [code]
View 13 RepliesVisual Basic & MySQL Triggers?
Apr 12, 2010I am currently rewriting an Access application to VB. The database was already MySQL 5 with the Access application - solely used for the forms and reports. In access the MySQL database is accessed though ODBC, in VB via a .NET connector.
The problem is the following:
In the MySQL DB I have a trigger to create a UUID (or a GUID if you prefer) as a "Before Insert" trigger.With Access, the record creation works fine, and the UUID is created flawlessly.With VB, the record creation is stopped by VB when trying to insert/save the record - saying the DB requires the field UUID not to be null. Although this is right (it is mandatory in the record creation in the DB), it obviously does not take into account the MySQL trigger (and how could it?).How do you get rid of the validation for this field?
Encounter Occurs When Return NULL Value To The Textbox?
Mar 29, 2009i am retrieving data using data reader. Whenever a null value fetches from the column, the compiler encountering an error. The error occurs when column value contains NULL. I am using Visual Basic 2005.
Please look at the following error which is in red color:
DEVNA11.Checked = IIf(IsDBNull(dr("dev_serv_desc_final_na")), 0, dr("dev_serv_desc_final_na"))
txtPlanServDesFinal.Text = IIf(IsDate(dr("dev_serv_desc_final_planned")), Format(dr("dev_serv_desc_final_planned"), "dd/MM/yyy"), dr("dev_serv_desc_final_planned"))
System.ArgumentException: Argument 'Expression' is not a valid value.
How To Count Carriage Return In A Multiline Textbox
Feb 16, 2009I am having an issue doing the following:I would like to be able to count how many carriage return there is in a textbox.Is there a function that already exists that could search in the textbox the amount of carriage return ?
View 10 RepliesMultiline Textbox,strings, Rtf And Carriage Return?
Feb 8, 2010I am using a multililne textbox and I want to take the text typed and merge it with another string. So for example....
CoverPage = Replace(CoverPage,
Me.Note.Replace("{", "{").Replace("}", "}"), txtNote.Text)
Where Me.Note is a string that I am looking for and replacing it with the contents of txtNote.text. And then storing it all back in the string CoverPage.CoverPage is an rtf string that will holds place holders for the text I want to change.(That works) But when i update the note that may have a carriage return in it, the coverpage does not reconize the carriage returns comping from the Multiline textbox when its displayed.I have tried replaceing Enivronment.Newline with vbCr, vbCrl and whatever else I can think of. is there an issue with taking a string carriage control and tranfering it to a rtf carriage control?
Search AD With Textbox Value And Return Results As Datatable?
Sep 27, 2010Currently I have a gridview bound to a datatable which is populated with groups from the AD. I need to be able to add search functionality so users can type in part of a group name and have the results display only groups that fit their search criteria.
Here's what I have so far.
<asp:TextBox ID="searchParam" runat="server"></asp:TextBox><asp:button ID="btnSearch" runat="server" Text="Search" />
<asp:GridView ID="dgSearchDLs" runat="server" AutoGenerateColumns="False" DataKeyNames="cn" DataSourceID="ObjectDataSource1">
<Columns>
[code]....
Today Date - Display On Textbox Return
Apr 19, 2009I have a textbox that get the date from the system itself, is working good and I have another textbox that will get the date that the person needs to bring the Book back. I wont the person to type the date but the program do it automatically (something like 20/04/2009 + four days=24/04/2009) automatically, something like if the person took the book on todaydate(20/04/2009) the function add more 3 days and display on textboxreturn( 24/04/2009). I don't want the person to type the return date, but to build a function that do it....
0&1Bytes
[2008] How To Count Carriage Return In A Textbox
Feb 16, 2009I have to count the amount of enter (carriage return) someone did in a textbox set as multiline. Is there a function already there or one that I can create that will count how many times someone did hit enter.
View 7 RepliesEnter Triggers Submit On Master Page?
Jun 24, 2011In my master page there is a submit button for the site search. On most pages this is only triggered if enter is hit whilst the search box has focus. On a couple of pages though hitting enter on the main form it triggers the search submit. I know that I could fix this by enclosing the search in it's own form tag and then changing every page to have it's own form tag, but I need something that is a lot simpler as a fix as I'm low on time. Is there a way I can tie the text boxes in the form to the correct submit button?
View 1 RepliesLoad Form Triggers Events In Its Controls
Oct 16, 2011I found this mystifying in VB6 and it's still here...
For example - I have a combobox on a form and I have put some code in its SelectedIndexChanged event. The problem is that I want this code to be executed *only* when the user clicks on an item in the combobox dropdown. Why is it then that it gets executed when the form first loads? And how do I stop this happening?
I used to use a "FormLoading" boolean to decide whether or not the code was executed but this surely shouldn't be necessary. Is there a better way?