DB/Reporting :: Open A Form With A Filter?
Aug 6, 2008
I am currently developing a program that was first built within access using VBA.My program is a search form connected to an access database, which is itself linked to a dbf database.I managed the code from access to a new program, but I am stuck with one line of code;How can I open a form (which shows the filtered data) using a filter (a string built with the input boxes).
The code in vba is:
DoCmd.OpenForm "frm", , , Left(strWhere, lngLen), acFormReadOnly
where FRM = the form showing the data
strwhere = SQL string
lnglen = number of characters in strwhere.
How can I do the same in a Visual Studio 8 environment (Visual Basic -idontknowwhat-) ?
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Apr 18, 2008
My problem is once I filter my datagridview I cant seem to be able to update the database. The error I get is Concurrency violation: the Update Command affected 0 of the expected 1 records. Why is it that I cant update after i filter????
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Apr 23, 2012
I want to make my checkboxes to work as a filter for my DataGridView. The checkbox.text is the thing I wanted to use for filtering.My problem is that, when I click on the button with one or more checkboxes checked, my datagridview shows no data. (Of course, before I pushed the button it did).
[Code]...
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Oct 28, 2008
I have a DataGridView that is bound to a datatable. I also have a combo box with sorting items in it. When the user selects a new item in the combo box, the DataBindingSource.filter is changed accordingly.
For the cell and row validation on the DataGridView, I set the row error text accordingly as opposed to displaying a message box.
Occasionally, when switching between items in the combo box, the datagridview gets filled with a bunch of empty rows that all have error messages. It seems it is validating the rows that existed from the previously selected filter against the new filter.
See attached image. I hope I am making myself clear.
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Apr 23, 2008
How to Filter a Database Query Using a List..
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Feb 23, 2009
How I Can open the same form in my application one time only can not open the form tow time in same time
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Dec 28, 2010
In our application we use IDataReader which actually call function from one.dll where weExecureDataReader()
We have many calls in application and in some places For some reason I am getting error message "DataReader already open" but I am not sure where.What will happend if I simple close that conection in the that .dll? Am I going to make trouble to database because one datareader left opened? I assume closing connection will close reader too and gargage collector will manage that left opened datareader..
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Sep 17, 2008
I'm writing my very first application for a customer of mine using VB.NET and I'm stuck with this: how can I open an xls file and put it on a datagrid? I've seen it's quite complex but the lack of examples by Microsoft doesn't allow me to do all the things by myself.
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Dec 16, 2011
SQL connections confuse me sometimes In almost every SQL related code on the internet the routine is like this;
* Open connection
* Execute SQL command
* Close connection
Is it good practice to just open a connection when the application starts and use that connection until the application closes?I know that sequential connections are required when processing more queries, but what if I need to poll a certain Table every x seconds? Isn't is better to keep that single connection open for as long as the application is running (and re-open when a failure occurs) instead of opening a new connection every x seconds?
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May 17, 2010
I have a connection string in my app.config:
Code:
connectionString="data source=.sql2008 ;Database=Database1; Integrated Security=FALSE; Persist Security Info=True;" />
How do I change to another database (one of many) without using multiple strings? Can I change while the connection is open?
Code:
Dim myConn As New SqlConnection(System.Configuration.ConfigurationManager.AppSettings("ConnectionString"))
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Apr 17, 2008
If I use the CmdObj.ExecuteNonQuery() I got an error
I'm not having an open connectoin.
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Apr 27, 2008
Does anyone know of any open source ETL applications written in either vb or c#?I am looking for some or all the features below:
* Read text files and have the ability to split files.
* Suppress records for failing validation rules.
* Transform values.
* Output the resulting data source to either one or many files and or database tables.
[code]....
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May 16, 2010
I have one form with a datagrid that displays a list of 'contacts' with just the minimal basic info in the datagrid.I have another form that displays ALL the 'contacts' info.I want to double-click on any cell in the datagrid and have the other form load and show ONLY the data for that selected contact on the datagrid form.I have no idea where to start but I have at least already figured out how to show only a select set of contacts by setting a filter on the contactstableadapter to "statusid = 4" (An agent).
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Dec 8, 2008
I can't open an Access database on a mapped drive. However it works if I use the UNC path. how I can get this to work? See the code below for an example of what works and what doesn't...
Code:
mConnString = "provider=Microsoft.Jet.OLEDB.4.0;Data Source=\tiger-2000dvb_mt7MTrackBE.mdb" ' This works
mConnString = "provider=Microsoft.Jet.OLEDB.4.0;Data Source=T:vb_mt7MTrackBE.mdb" ' this does not work
Dim objConn As New OleDbConnection(mConnString)
[code].....
The error message I receive is...'T:vb_mt7MTrackBE.mdb' is not a valid path. Make sure that the path name is spelled correctly and that you are connected to the server on which the file resides.I've done the obvious and verified that t:vb_mt7MtrackBE.mdb is a valid path.
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Jan 12, 2011
I am using visual studio 2008 vb language I create a sql table and i want to show it in a nice format. I use the report wizard and point everything to the sql table. i create a form with the extension rdlc (i think its crystal)from my main.vb i want to click a button and open up report1.rdlc how do i do that?
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May 12, 2011
I am new to this and have almost 0 programming knowledge. I want to automate transferring data from excel spreadsheet to access. i surfed around on the net to see if there were examples of codes that i can copy.this is what i currently have.
[Code]...
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Jan 7, 2009
I need to open a password protected Access database from VB and I'm trying to use the Process.Start method and have had no luck. I have tried this seversal different ways and can't seem to get it to work. Here is an example of my closes attempt:
[Code]...
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Mar 26, 2008
I am using VB2008 Express and a MSSQL Server 2005 db by the way! I have a comprehensive SQL statement, which should fill my Grid:
DECLARE @Sum NUMERIC(9,2)
SELECT @Sum = SUM(I_LS.lmenge)
FROM dbo.lfs AS I_L
[CODE]...
Now here is my problem! I want to have a form with a datagridview that displays all of the values I am querying. This shouldn't be a problem I guess. However, I have no idea how I can integrate two textboxes that can be used to enter the selection criteria (WHERE I_L.lfsnr LIKE '%1253') AND (l.sped_journal = '11-08')[/SIZE]. I have googled and read many threads so far but didn't stumble upon anything that would suit my needs and answer my question. Maybe it's just too elementary!? By the way, it is very important that the input of textbox1 ((WHERE I_L.lfsnr LIKE '%1253')) is linked to 3 positions in my SQL query to define the search criteria!
The worst thing is that I don't want to have a bindingnav displayed! I do not need any delete, update or add functions just the select option, however!
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May 31, 2008
I have a parent form that has a combobox. Whn the form loads I get the data from the db and bind to the combobox. that works fine and here is the code I use in form load to cause this to happen: [code] Now if there is not an Account Type, I have a button that will pull up a small form to allow the addition of an account type. The popup form adds the data back to the database just fine, but I am now trying to get the combobox to refresh its data. So I call a public Sub that is located in the parent form to from the popup form to accomplish this task and I have walked the code and the sub is called and appears to work correctly, but the new data never appears in the combobox. Here is my public sub that i call to try and refresh the combobox on the parent form. [code] But when I go back to the parent form, the combobox is not updated with the new account. How can i get the combobox to refresh from the database with the new data?
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Sep 27, 2010
I have a table Called inventory, one of the columns is a checkbox based column called saved where it stores the checked state as the value 1 on the database. On a related form when i load it i want the datagridview to filter to only show the rows where saved has the value of 1.
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Mar 5, 2010
In a dialog form I've two date pickers, Date1 and Date2. At load I set the two dates to:
Me.Date1.Value = DateTime.Now.AddDays(-90)
Me.Date2.Value = DateTime.Today
And the sql filter is set to:
Where shipDate BETWEEN '" & Me.Date1.Value & "' and '" & Me.Date2.Value & "'
When I execute the project the two dates are shown fine but if I change Date1 to say 01/03/2010 (European format) and leave Date2 as per defect, the range of data returned is missing the information from 01/03/2010, meaning the data starts painting from 02/03/2010. If I select 28/02/2010 for Date1 then the returned data is from 01/03/2010 to Date2. Somehow, one day is subtracted from Date1. If I comment out Date1, then 01/03/2010 is recognized. What is wrong with Me.Date1.Value = DateTime.Now.AddDays(-90)?
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Oct 22, 2009
I'm try on Ultimate version and Express version. Reinstall many time from web install and offline install. What should I do ?
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Feb 15, 2012
I m trying to filter a sql db with many filter criteria which inert the user in textboxes .. i ve tryed this query
[Code]...
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Mar 20, 2009
I am trying to filter the results of a datagridviw using the bindingsource.filter method.
Dim filters(2) As String
...
If Me.txtPartIDFilter.Text = "" Then
[code]....
The issue is in the last line. ID_Part is an Int64 data type filters(0) is a string so the system returns a "Can't perform 'Like' operation on System.Int64 and System.String" error message.As you can see I tried converting the data type, but that failed since it is encased in String.Format()- it's going to be a string no matter what, I suppose.It's almost 1:00 a.m. so I'm not firing on all cylinders.
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Mar 19, 2012
I have 2 problem, on my "addnew" form i need to filter the datagridview using the datetimepicker(Date) and to sort the "EventDate" column ascending(that column is set as text on my MDB that's why it is sorted alphabetically not by month) and 1 problem on my "em" form when i click on the button("View this Event" ) or double click the selected row in the datagrid the "addnew" form will showup with the selected row in datagridview.
And lastly on the "home" form load when there is a event saved today a msgbox will appear(you have event saved today, do you want to view them) if yes "addnew" form will showup with the selected event in the datagridview.
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Sep 9, 2011
I have 2 forms, form1 and form2. Whenever user opens form2, I want form2 to get from form1 (which has a datagridview and filters), whatever the user filtered the datagridview by.
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Oct 6, 2010
how to turn off the filter that is on the Add Reference form ? Its on the .Net tab, and then it says "Filtered to: .Net Framework 4 Client Profile". So all my references are not filtered alphabetically. Really annoying.
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Jun 12, 2009
get a button on form A to open form B and then close (not hide) form A when clicked?Background: I am coding a VSTO application for Excel in VB2008.
Private Sub FormAButton_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles FormAButton.Click
Dim FormB As New FormB
[code]....
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Oct 10, 2011
I'm trying to filter my access database and when I "search" by name, it works, but when I search by policy number it doesn't seem to work.
Here's my code:
If RadioButton3.Checked = True Then
Form3.Show()
Me.Close()
[CODE]...
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Sep 20, 2010
i want to filter date and also time (shortime) for example if Datum.hour="8:15" andalso Datum.day of week "Saturday"or "Monday" now i can only filter date ... this is my filterline objbindingsource.Filter = "Datum > = '" & Dtp1.Value.Date & "'"
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