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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I have a datagrid that is populated using a stored procedure. One of the columns is called LotNum which I would like to have as the combo box....this combo box should be populated by a table called CurrentLotNumbers, with the field LotNumber. My current coding is below. I am using windows forms and vs 2005. What do I need to add so the user can use this combo box, and do I need to add anything extra to my save button which saves the changes to the datagrid.
'POPULATE THE DATAGRID WITH THE CURRENT INVENTORY
Dim ReturnInventory As SqlCommand = InventoryConn.CreateCommand
ReturnInventory.CommandType = CommandType.StoreProcedure
[Code].....
i have a datagridview that is pulling information from a access database. The tables being queried is called "History" I can pull data and update data with no problem, however if i edit the date field i get the following error "Syntax error in UPDATE statement" my code is below.pulling from access
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I have this program im making it is supposed to be a basketball game monitor. The user enters two teams and the 12 players on each team then it has you pick the 5 active players and takes you to the run form where you can start the game once started you can add things like fouls and baskets made and attempted if a player gets 5 fouls or you hit stop clock you change which players are active and its supposed to update the database through the dataset and dataadapter but it doesnt seem to update the database with the info put in the datagrid view.
Here is the code of the run form i will also attach source in zip file if needed to point out mess ups
Update: When you hit resume game after change of players is when it puts zero on everyone again.
Basketball-RealTime-Monitor.zip (322.22K)
Number of downloads: 74
Imports System.Data
[CODE]...
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.
View 1 RepliesWhat 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?
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]....
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
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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.
View 6 RepliesI 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.
View 5 RepliesUsing VB.NET How to get Datagridview cell value.
I want to insert a Datagridcell value in the table, How to get datagridview cell value.
what is the use of adding new columns to datagrid view? [code]if we can't add / update these columns to databse ?
View 1 RepliesI 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.
View 4 RepliesI 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.
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.
View 4 Replieshow 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.
View 8 RepliesI 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].....
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.
View 2 RepliesI 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.
View 3 Repliesthe 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
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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)?
View 7 RepliesI 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].....
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 .
View 7 RepliesHow to take column sum at last row of datagrid view.
View 1 RepliesI 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?
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.
View 5 RepliesI 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.
I am using Windows Forms. I want to check all checkboxes in the datagridview.
View 4 RepliesI have a Datagridview with a database attached , but I want to search the the collums by picking the collum I want from a combobox, writing in a textbox and pushing a button and the arrow in the database will move to the row if anything is found, BUT I don't know how to add the collums from the database to the combobox and do the search using the button.
View 3 RepliesComparing dates in datagrid view
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