DataGrid View Changing An Array
Apr 26, 2009
I have a table of 51 data points all numbers between 0 and 8000, i have stored the data in an array of ushors's, and on my form i have 10 numerical text boxes, So that the user can change the values in the table every 5th value. Using the value changed event the program then re-calculates the values in-between.
What i would like to do is show the table in a data gridview and allow the user to change the values in the array using the datagrid view, i know how to create a table but not how to link the table, so that it can change the values contained in the array.
Below is the code i am using to create the table:-
Option Strict On
Public Class FrmViewTable
Private BindingSource As New System.Windows.Forms.BindingSource 'Create a binding source for the tabel & dataview
[Code].....
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Sep 6, 2011
I have a datagridview and there are several columns in it whose datatype is in date format. I want it to where if a person changes the date in a cell which is ALREADY colored, I want that color to change to white as soon as they click off of the cell. [Code]
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Feb 20, 2012
read data from text file , 3 data types saved on the file, "location", "time","sighting" eed to extract all data from file and save on a 2d array and display on a datagrid view.ata sorted by ascending order of time.
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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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Feb 4, 2012
Can I change the column header of the list view? Like adding background image to it? all i can change is its text.
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Feb 4, 2009
Ok Im needing this to go through each row in the datagrid view and it does that fine and it sends an email if the time in the row matches time now but if it doesnt I get an:
QuoteArgumentOutOfHandleException
The added or subtracted value results in an un-representable DateTime.
Parameter name: value
[Code].....
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Apr 1, 2012
i want to access the data stored in ma sql server using datagrid using vb.net. i loaded it but i when i change the contents in the datagrid once when i run, these changes doesnt get updated in my sql server.
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May 11, 2011
I want to view one row at a time in my datagrid. When I click on the next button I want to view that single row but with the next person.
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Mar 27, 2008
I'm trying to make my datagrids datasource change when you select a particular item from a drop down menu but all I get is blank cells! any ideas? I don't think it is changing the colums property automatically either.
If chooseType.Text = "Add / Edit Players" Then
updateDB.DataSource = PlayersBindingSource
[code].....
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Nov 24, 2009
Using VB.NET How to get Datagridview cell value.
I want to insert a Datagridcell value in the table, How to get datagridview cell value.
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Aug 18, 2010
what is the use of adding new columns to datagrid view? [code]if we can't add / update these columns to databse ?
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Sep 22, 2011
I have a datagridview that is connected to a table from my database. It displays all the records from that table. The question is this, how can i put a checkbox column on my datagrid for me to be able to delete multiple records from my database? I am using visual basic .net 2005.
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Jul 1, 2010
I have a tbl called tblProjectpatients which also has 2 fields Yes and No (these have the data type - Bit).
These two fields have been populated with false and true values.
On my form, I have a datagridview which is populated with various values from tblProjectpatients.
The problem am facing is that the checkbox's for Yes and No on the datagridview are empty at runtime eventhough at the backend they have either False or True values.
I am expecting the checkbox showing on the datagridview to be either checked or Not Checked depending on the True or false values.
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Sep 11, 2009
How can i put a color to datagrid view. i want to color the datagrid view to be yellow, and one selected row is red.
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Feb 16, 2012
how to filter the datagrid view? what i mean is, the data that will only show in the datagridview depends on the date selected on the DateTimePicker(dtpDate) example if the value of Date is march 20 2012 the data that will only show on the datagrid view is the event that is save on the march 20 2012. also to arrange it ascending based on time.
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Jun 6, 2011
I work with an access mdb When I run the program with the following code it gives an error "Nullreference exception unhandled" "the object... is not for an example of an object..." (very free translated but you will surely recognize this)
This is my code:
Private Sub TextBox5_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox5.TextChanged
Dim dvFilter As DataView = Nothing
[Code].....
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Aug 14, 2010
i have put numericupdown in one column of datagidview. that column represent the time in format(HH:MM). i want to change MM and HH separately with the help of numericupdown. How can i change value of MM and HH with the help of Numericupdown in datagrid view.
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Jun 7, 2010
I have this form for inserting and preview of data (access db) - VB 2008 express. Form is on picture 1. Now I want to print out details from this db (see word screen shot how I would like it to be, not exactly but something like that). Name of document should be form name and text is from db.
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May 30, 2012
the below code can read an xml file and display it in the datagrid , but how can i read all the xml files in my folder that I have listed in a listbox ?
Dim xmlFile As XmlReader
xmlFile = XmlReader.Create("C: est123.xml", New XmlReaderSettings())
Dim ds As New DataSet
[Code]....
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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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Jan 26, 2011
I have a form that shows users data from a sql query. What I want to be able to do is when users make a change, they press a save button, the edited/changed data is saved to a new table and then the window is closed. I've looked for several tutorials for this. Can anyone give me an example of a good tutorial or a code example?My database that the user would be saving to is called exceptionsedit.
The code I have this far is this:
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles saveButton.Click
[code].....
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Oct 28, 2009
I have a datagridview. The database is unbounded. When I display the database in the datagridview. I want to search for a value in a datagrid view. For this I want to add a textbox. The user enters a value in a textbox. Then the search could be able to search for the value entered in the textbox in the datagrid view .
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Jan 9, 2010
How to take column sum at last row of datagrid view.
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Oct 15, 2011
I'm building an application that has an access database for storing codes for voters.my problem is that after i update my database with the usual vb codes, i'll have to exit the application before the datagrid view can read the update. is there a way for me to see the changes i've made with the datagrid view without my exiting the application. I'm using vb 2010 express.
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Jun 4, 2011
Well i just tried to turn Rows cells that contain the word Yes into green on form load when i put that code into a button it worked but on a form load i didn't work !
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim j As Integer = 0
[Code]......
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May 24, 2011
I am trying to add datagridview control in my custom control but i failed.I started creating new project[windows custom control library], added datagridview control on it and also added a property naming "DGVMain" which refers to datagridview control.I compiled it.
While testing i find its properties like visible and other working but when i click on columns property it doesn't work. i.e i cannot add/edit columns into the datagridview of my custom control.
Did i miss any steps or do i need to add some more actions?
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Feb 29, 2012
i need some info. i want to add a data grid view through vb.net. and when i enter some data in that it will updated in the access database.
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May 24, 2012
I have 2 listboxes I want to insert items from listbox 1 in column 1 of the datagrid view and items from listbox 2 in column 2 of data grid view the below code will add items from listbox1 to column1 of the datagrid view :
DataGridView1.ColumnCount = 2
DataGridView1.Columns(0).Name = "File Name"
DataGridView1.Columns(1).Name = "Status"
[code]....
what can I do to insert the items of listbox 2 in column 2 of the data grid view.
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Nov 10, 2009
I am using Windows Forms. I want to check all checkboxes in the datagridview.
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