Editing Row Of A Datagrid In ASP.Net?
Jan 12, 2010
I'm working on a piece of code at the moment that uses an older style DataGrid to allow the user to enter information into the table. It already has an add and delete button. Currently the user enters information into 3 textboxes that are in the footer, and the other rows use labels to display the information.
Essentially what I am wanting to do is take the line that the user has clicked the edit button on, and move the text from there in to the footer (deleteing the row that it was displayed on) so the user can make changes and then click the add button again. At the moment I have tried using FindControls to find the textbox and setting the text that way but it doesnt like it.
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Nov 24, 2010
So Let me explain the situation, I have a Mainpage Form with a DataGrid Object on it. I have a Create Post Form and I want to use the create post form to also edit a post. Now only individuals who posted a specific post can edit it. I have all the validation code in to check the user etc. I used a simple boolean and then in the create post form created two subroutines, Newpost and Editpost. I have the New Post working perfectly, but i can't get the edit post to work.
Dim startdate As DateTime = Departdate.Value.Date
Dim enddate As DateTime = returndate.Value.Date
MainPage.SelectedPost = DirectCast(PostBindingSource.Current, DataRowView)
[code].....
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Nov 21, 2011
I have a application with Access Database.
Open/Edit/Delete is through below code
Public conn As New OleDb.OleDbConnection
Public da As OleDb.OleDbDataAdapter
[code]....
I am displaying this data in a datagrid by connecting datasource and datamember.What i need is to displat a dropdown on second column in the datagrid. When i change the data it should update the database PBL (Visual Studio 2010 Ultimate)
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Feb 17, 2011
I am trying updating a record. It seems like I did all the right things but I can't seem to update my database. I'm not sure if my update button is functioning as it should be.
Private Sub UpdateButton1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles UpdateButton1.Click
Dim cb As New OleDb.OleDbCommandBuilder(da5)
While count5 < MaxRecords5
cells5 = 0
[Code] .....
Whenever I edit the datagrid, and press update, it doesn't really update the database.
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Aug 10, 2009
I have a datagrid in my VB form. I want to lock in a way that you can not mark any cells in the tables etc.
When I set it to read only I stop the edit function but you can still mark the cells with a cursor. Is it a way to avoid that from happening?
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Jan 17, 2010
How do to Read values in DataGrid When user is editng the Cell
for Example:
Me.Text = Dgv.CurrentRow.Cells(6).Value
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Aug 11, 2010
after editing my cell in the datagrid . i am sorting then i select the next record the selection was do to the 1 cell on the row .i don't know what is the problem
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Oct 16, 2011
I have a datagridview with transaction bindingsource I want the datagrid to show the sorted rows only not all the records when i enter a value into a textbox and click button sort.
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Apr 15, 2008
What I am trying to do basically is open an access query in a datagrid view and then be able to make changes to the datagrid and then save it back to the database.When I try to save:
Me.BindingSource.EndEdit()
Me.TableAdapter.Update(DataSet)
It says that update is not a member of the tableadapter... Why is that?
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Dec 13, 2009
now i use acces as datasource to view the agenda in a datagrid and a combo box to select a year or month so i can find the selected month or year in the datagrid .how do i program it so that it searches the selected year or month in a datagrid
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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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Jan 22, 2009
I placed a datagrid in my form which l retrive data from my sql. i am using oledb connection. if i run the form i can retrive the data but i am not getting the data in the grid at first ,there is a "+" sign, i have to clik that then it shows the table name and after clicking the table name i can view the data displays in the grid..
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May 9, 2009
I have a datagrid which I am using LINQ to fill, I then add some custom columns and fill them in programmatically - if the users clicks on the column header to re-sort, all the data in the added columns disappears. I am obviously missing something very basic here but can't seem to see the forest for the trees. I also have a couple of other questions about how I am doing things:
[Code]...
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Oct 16, 2011
I am trying to create an xml editor that read and write xml. my code reads the xml with no problem and allows me to create new rows but when I try to "write" it over I get the following error: "Token StartElement in state Epilog would result in an invalid XML document"
here is my xml:
<?xml version="1.0" standalone="yes"?>
<MacroList identifier="test">
[code].....
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Aug 24, 2011
I decided to rewrite my project. Hit another snag. How do I write the contents from a datagrid to a file and back into the datagrid again later? (Actually, I've done the writing ok - but for the life of me can't get the data back into a blank datagrid.
Here's what I done so far:
Imports System
Imports System.IO
Imports System.Text
[Code]....
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Jul 29, 2010
how to do cursor moving from one grid it effect to another grid.example Grid A and Grid B have the same number of rows. when I click current row on data grid A, the selected row on data Grid B also follow data grid A..
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Mar 2, 2011
I am printing a files that are shown in datagrid.. But I want to choose a file that I don't want to print by checking the checkbox that I added in datagrid..
I have here the code for printing.. Anyone can edit my code that will print those file that is not checked.
Code:
Try
openMySQL()
Dim sql = "DROP TABLE IF EXISTS dummydisconnectionorder"
[Code].....
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Jul 22, 2009
I have on my form two datagridviews that correspond to the same table. They are both databound. They have been created automatically through dragging them from the datasources windows.One is datagridview and the other datagridview1. When ever I navigate through a datagrid the corresponding row on the other grid changes as well. I do not want this. Also I want to be able to fill and use each datagrid indepentent from each other. To fill a datagridview on load I use this code
Me.AllServicesTableAdapter.workstation(Me.Database2DataSet.AllServices)This code does not let me choose which datagrid to fill.
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May 23, 2011
I have a search form on that will be pulling search template queries from a table in the underlying (an Access db on a share). The search form has a calendar control for filtering by date range, a listbox containing the names of the search templates, a second listbox which lists the fields in the selected template, and then some controls which show/hide themselves depending on which field is selected so that the user can pick a field and enter it's unique criteria in the appropriate control for filtering. Below these controls is a DataGrid, which will obviously display the results.
The problem is how to dynamically "transform" this DataGrid to display the selected search template. These templates do not represent tables in the underlying; rather they represent preconstructed SQL queries (stored in a table) which are essentially SELECT queries with joins and no WHERE clause (so they are the results of multiple tables joined together by their keys).
To be honest, I'm having trouble even generating the LINQ queries to represent these template dynamically, but that's not as important, since I can manually translate the SQL queries into LINQ. This is definitely not the preferred method, as the whole point of putting these templates in a table, rather than code, was to allow for future additions without rebuilding/redistributing the application interface.
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Dec 28, 2010
what are the differences between the WPF Datagrid included in the .NET Framework 4.0 versus the Datagrid included in the out-of-band WPF Toolkit? I understand that the toolkit version was released first, and targets the .NET Framework 3.5 SP1.
I needed a WPF datagrid quick and have utilized the toolkit version in my applications. I'm considering moving the application to .NET 4.0 and am wondering what the pros/cons will be in changing out my existing datagrids for the new ones.
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Dec 14, 2009
How do you set focus to a specific control in a datagridview row after clicking the edit button? I'm able to do it for a new row when the grid is binding, but not for an existing row. The control doesn't seem to exist yet.[code]
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Jul 22, 2011
My work dropped a vb.net program in my lap that I need to modify. Die vb. Anyway, I work in Netbeans and can't find a module that will allow for syntax highlighting of vb. Is there a creative solution out there for this that doesn't involve using a different IDE?
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Apr 19, 2010
I have a form which contains a populated datagridview and I have a button that calls a second form in which I want to be able to add additional rows to the first form's rows.My form2 has about 10 text boxes which the user will use to add columns in a new row...How can I capture the 10 textbox's information and add a row with 10 columns to display the textbox's info?
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Jun 6, 2011
I want to fetch data from sql and use them to make a new data I really like to store the records in variables and maybe do some operations on some of them , but the main point is to update three tables in ways that are not the same,that means I need the raw data !
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Oct 15, 2011
I'm just familiarising myself to edit registry in VB. I am having a problem with changing a value in the HKEY_LOCAL_MACHINE key. When ever I change a value at runtime it always assumes that I am going in the "Wow6432Node" key, even though I don't put that in the parenthesis. Example:
My.Computer.Registry.SetValue("HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerAdvancedFolderHiddenSHOWALL", "CheckedValue", 1) and it doesn't change the value in the string above, but changes it as if I have put
[code].....
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May 23, 2012
I have a pretty simple question I was hoping someone could help me with, there are two text files - first is C:Test1.txt and the other C:Test2.txt.C:Test1.txt data consists of, the column is separated by a space (" ")
Data Data
Data Data
Data Data
C:Test2.txt data consists of
Data
Data
Data
The fields in Test2 Column 1 are the fields in Column 1 Test1, what I'm trying to do is add the matching fields from Test1. So for example:
[Code]...
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Oct 10, 2009
I have this 40 mb (game) file.The only way to change certain lines in it, is using hex editing software.For my program, I need to change a certain texture in this file.But when I use a streamreader in combination with a streamwriter, the resulting file is a lot smaller and when I load it, the game crashes.How can I hex-edit and replace a certain string in this file?(I use visual basic .net express edition 2008)
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Apr 27, 2011
So what I'm wanting to do is to pretty much hack a game. I was wanting to know if I can hex edit a game using Visual Basic by using String.Split? Idk if it can be done and I don't wanna waste my time on it if it can't be done.
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Aug 4, 2010
I was wondering - How would i edit a .exe's offset's, like a 4byte offset with the int of 5000, and changing the int to 10000.
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Jun 15, 2012
I would like to know a way (of course I want to know the best way) to edit a csv file, preferably without having to read the original and write the results to a new one.
Example 1: I want to split the contents of a column into two columns 123abc into 123, abc
Example 2: I want to remove letters from the beginning of a column AB123 into 123
Clarification: I do not need help solving my examples; I just need to be pointed in the right direction of reading and editing the same file.Here is a code example of using a temporary file that seems to me is too slow
Dim currentLine as string()
tempFile.AutoFlush = True
Do Until origFile.EndOfData
[code]....
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