VS 2010 Refresh Datagrid Of Parents Mdichild?
Dec 9, 2011
I have a big problem regarding MdiChild. My problem is that I have 3 forms loaded;
Form1=Mainform / mdiParent
Form2= Display the Datagrids
Form3= This is where I let the user input the necessary fields like Lastname, Firstname,Age,etc...
My problem goes like this, Form3 is the child of Form2, Form2 is the child of Form1 and I call them one by one like this:
//form1
Form2.MdiParent = this;
Form2.Show();
[code]....
I want in the Form3 to save data and refresh on my datagrid on Form2 so that every data that I encoded in Form3 will reflect in Form2. I let the Form3 close everytime there is data entered but my problem is that the data that entered doesn't reflect in my datagrid.
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Jun 13, 2009
I hava a MDI app. i have a mdiChlid(say A) and others n instances of another mdichild. i wanto to this others n instances can handle an event generate in the A mdi chlid. How ca i do this??
[Code]...
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Jun 8, 2010
I have a parent form with 2 child forms.
i iniciate both mdichildren with [code]...
when i click on form1.button1 i want to issue form2.textbox1.text=""
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Mar 20, 2012
I have a datagrid who's ItemsSource is a strongly typed IEnumerable object In this datagrid, I have a checkbox column, a price column, a part name column, and a 'total selling for' column. On checking the checkbox I need to update the total selling for column with the value in the price column. This part I have working, however, how can I get the checkbox to remain checked when this happens?
Private Sub UpdateSellFor(sender As System.Object, e As System.Windows.RoutedEventArgs)
Dim _CB As CheckBox = DirectCast(sender, CheckBox)
Dim _ID As Integer = _CB.Tag
Dim _PP = DirectCast(DG_PartsToSelect.CurrentItem, PartTyping).PartPrice
[code]....
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Apr 23, 2009
I am using vb06 backend access. Now i want use datagrid. How to use datagrid. How to refresh it. Clear field its.
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Aug 30, 2011
I have an application that has a treeview in the MDI parent form, there is a button1 that adds a child node to the treeview and a mdichild form for that specific treeview child node. i would like to know if it is possible to save the trevview and the MDi child forms to a single txt file or csv file no matter how many mdi children and treeview child nodes are poduced.
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Apr 28, 2011
I want to detect if a form is the last/only MDIchild of a MDI Parent
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Jan 18, 2011
I have a Silverlight Datagrid who's DataSource I refresh every 5 seconds.I would like when the grid refreshes, for the focus to be on the last row, not the first.I have tried setting the SelectedIndex property of the grid to be the last row, but it did not work.
The details:I am binding the DataGrid to an ObservalbleList(Of MyObject) property on it's ViewModel, and the SelectedIndex is also a property on the ViewModel. Both properties raise the property changed event (able to witness this working by seeing the DataGrids DataSource clearly changing, but the SelectedIndex is never set.I have read reports that setting the SelectedIndex on a DataGrid is a known issue, but have not found a work around.
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Aug 8, 2011
I have a datagrid view control that is tied to a dataset. so when the Dataset is updated with a new record,It shows up in the grid. The problem is, I have to minimise the window or some how force a re-paint on that window to see the updated grid.
how to call that refresh? Form.refresh and form.grid.refresh did not work.
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May 26, 2011
I have an app that opens up 3 forms. 2 forms have a datagrid the other form has book lending details. The datagrid forms are for books in the library and books that have been borrowed.
Both datagrid forms will be open as shown in the attachment, how do I refresh the "Borrowed Books" datagrid form from inside the form that has the "Book in Library" datagrid.
So far I've been able to update the "Books in Library" datagrid because control comes back to that form after the details form closes but since the "Borrowed Books" form is still opened up, we would like to refresh the datagrid on that form.
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Jul 30, 2009
I have a main form with player information (it's a sports application). To add or edit a player the user presses a button which opens another form. They either add or edit from this point. When they click 'OK', it saves the data to the database table then goes back to the main form. The amended or new info doesn't appear. If they close the application, then reopen, the new info appears in the datagrid now.
how I can get the datagrid to refresh once I press 'OK' on the input form?
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Apr 12, 2012
i'm having with a problem to refresh my datagrid view. I have 2forms and a database create from msaccess2010. This programme is too simple, in form1 requesting a costumer name and save button. After being saved, it'll show form2 which is database in datagrid view. Yes, in first save the name of costumer are being shown there but after i close (which is 'hide' actually,i cant use 'close' due to particular reason) and reinsert the data in form 1 and save it,the second data are not being shown in form2. So my question is,how can i make the data refresh(by form load or button refresh,any of them)?
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Apr 20, 2010
Let's say that I have a windows application in which I have a form with some controls that are bound to a dataset. A DataAdapter or TableAdapter fills the dataset on form load with a large number of records and user can navigate and change the details for each record. This works fine ... but this app runs on a network. And let's say meanwhile you've loaded your form and you're navigating through it (for half an hour let's say whithout saving changes or reloading the dataset) another user modifes the data and updates the database but as long as you have your application running you can't see those changes !!! what is the method to know whether the database has been updated or how to refresh the datagrid view with the new changes updated by other users while the application is running?
code is
Imports
System.Data.OleDb
Public
[Code]....
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Oct 1, 2011
i add data in run time i could not see it in datagride till i have to close application and open it, so how can i do a refresh for datagrid just after adding data
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Jan 6, 2012
i am new to vb.net. after insert the data datagrid should automatically refressh itself. how can i do it? for example in C#
[Code]...
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Apr 21, 2006
I'm trying to refresh the datagrid after using the SQL UPDATE statement. The data changes physically in the database but the datagrid is not affected. The data is changed only after i restart the program.
How can i get the datagrid to refresh or update? I have tried using, among other code, the refresh() method, but it does not work.
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Mar 16, 2010
I have a small vb 2008 app that allows a user to select a row in a datagrid control that launches a detail form. When I then update or change the record on the detail form and save, how do I refresh the datagrid on the master form?
[Code]...
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Mar 3, 2010
I've got a database that I've been working on for over a year and a half but I've just recently finished the back end to the point of feeling comfortable with starting on a front end.
[Code]...
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Dec 7, 2009
I am adding records to a database from a modal popup. After hiding the modal popup, the page has not been refreshed (even though I have Re-bound the controls). I have reviewed a few postings on the web about this but the solution still evades me. I have attached my code after removing some of the extra detail.
It seems I need to cause a postback, but I don't know what needs to be changed. Some posts have talked about the extender being misplaced.<asp:Content ID="Content1" ContentPlaceHolderID="Head" Runat="Server">
<div class="divBorder">
<asp:DataGrid id="dgrSessionFolders" runat="server" BorderWidth="2px"
BorderStyle="Solid" BorderColor="#C0C0FF"
[Code]...
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Nov 17, 2011
I am using MVC3 and EF 4.1 (Oracle DB). Let's suppose I have:
Public Class Parent
Public Property Id As Integer
Public Property Name As String
[code]....
I want to retrieve all parents from the database and for each parent I can access its children.I want to do the following:
Dim firstParent = (From q In db.Parents Select q).First()
For Each child In firstParent.Children
'Do something
Next
The problem is that I would like to enumerate the children from the youngest to the oldest. Is it possible without the client-side sorting? If yes then how can I achieve that? I know how I could achieve what I want with an SQL query, but I cannot make it work with LINQ...
EDIT:Since this seems not to have a solution in my case and sorting everytime I request data is not an option, maybe there is something I can do when I insert the data to the database? I do not have a control on which order EF saves items to the database when I call db.Save(), but maybe there is some syntax I could use to require ordering based on some property.
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Apr 29, 2009
i make a parent and children form and when i show children form and drag into parents form , when parents is little to show the children form , parents form enables the scrollbar and then show the chilren form better , how can i do something that avoid this status ( don't show scrollbar into parents form when the children form is bigger than it)?
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Nov 11, 2010
Sub RosterItem(ByVal sender As Object, ByVal item As agsXMPP.protocol.iq.roster.RosterItem)
If I look at all the attributes of item declared above, I can find the account the rosteritem was sent to under that parent tab.. but I can't do item.parent.parent.to.user to get to it. How can I get the parent item's parents' information?
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Dec 8, 2011
I know generally it is not the best solution for a child to handle an event of parent. Take this for example; Mainform loads UserControlOne, UserControlOne handles all UserControlOne needs to. How ever we need a MenuStrip/ToolStrip. MainForm does not need to know much about what UserControlOne is doing. Other then receive some information on a statusbar. Right now events are controlling this.
The menustrip/toolstrip need to be able to speak to UserControlOne, for example when buttons are clicked on the strips. Would you; Allow the child to add a handler to capture the parents event? Move the MenuStrip/ToolStrip/StatusStrip all to UserControlOne so we can ignore all this event hassle? My Major concern with this is now we have taken all the head ache away from MainForm and crushed it into UserControlOne. Any suggestions?
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Apr 22, 2009
I like to build objects that contain properties and also functions / subs to do work. I dont have a lot of other programmers around me to answer this question so I thought id ask. If my goal is to make a function or even sub part of a class blue print is it better to do it by making a seperate class for the function, and then construct a new copy of the classFunction as a property of the parent class or is it better to simply put the function in the parent class.
[code]...
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Jun 8, 2010
I have a Dialog which I'm calling via Loading.Show()Can I lock the position and location to the parent form? In such a way so if the parent is minimised or moved, the child will stay centred to the parent?
I was using ShowDialog() but this obviously stops the parent from being accessible. This is being used to display a progress gif. (Child is 50% opacity)
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Jun 21, 2011
I have an aspx page which houses an iframe. When a button is clicked, a WCF is called to produce a PDF which is read into a byte array. I was storing the byte array in a Globals.vb file like this:
Public Shared PDF_Data as Byte()
The global was loaded from the parent aspx page like this:
PDF_Data = MyWCF.Create_PDF_File(SomeVariable)
After that, the iFrame's src was set to a blank aspx page, which had the following code in the page_load event:
'Write the PDF binary data to the screen (viewer)
Response.Clear()
Response.Buffer = True
Response.ContentType = "application/pdf"
Response.BinaryWrite(Globals.PDF_Data.ToArray)
However, realizing that this application will have several users who will get different PDF documents, I have learned that this is not the way to go. My shared variable would be accessible to all users, a big no-no.However, I am stumped as to how I'm going to store the byte array and make it available to a child aspx page from it's parent.
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Nov 16, 2011
I have the following tables
Public Class Tag
<Key()> _
Public Property TagID As Integer
[Code].....
I implemented the repository pattern.
Now i have a list of Tags which contain the right TagReferences, but the tags may not be deleted, it's the TagReferences.
Variabels = ReferenceValue,ReferenceID
IEnumerable(Of Tag) = TagRepository.GetMany(Function(el) el.Reference = ReferenceValue And el.TagReferences.Any(Function(bl) bl.ReferencedID.Equals(ReferenceID)))
How can i remove all the TagReferences which contain the ReferenceID in one line?
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Aug 24, 2010
I have an application and Spy++ reports that the parent window has many controls that are hidden. When I do a mouse click on the application's window, a number appears and I suppose it's the hidden controls that change their text/picture.So, is there a way to iterate the parents hidden controls names, get their handles and then activate them one by one (with sendmessage/postmessage wm_buttonclick) to see what changes?Right now I get the windows handle with FindWindow and the window's process id.
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Mar 18, 2011
I have a vb10-form that makes connection with a SQL-db. The first time the SQL command is executed perfectly and the records are showed as they should. When I do a refresh (or automatic refresh after 1 min) I get: "Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding" The strange thing is that this only happens on one PC, all the other work.
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Jun 5, 2009
Lets say i label "label1" , and 2 buttons named "button1" and "btnRefresh " [code]So , when user press the button 1 , the text will change. But what should i put inside btnRefresh to reload the forms ? and display the default label.text = "Form Load" ???
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