DB/Reporting :: Changing TableAdapter CommandText At Runtime?
Nov 23, 2009
In my app (written in VS 2003) I use OleDbDataAdapter's to load data. I have some functions that enable be to change the OleDbDataAdapter.SelectCommand.CommandText at run time, by adding a "WHERE" or "HAVING" section to the SQL command, or updating the "WHERE " or "HAVING" section. This way I have have generic load data functions. (load all invoices for Customer 123, load all invoices for the year 2009, or load all invoices for Customer 123 for the year 2009).
With the new VS 2008 TableAdapter, the TableAdaper.CommandCollection property is Protected. How can I edit the TableAdaper.CommandCollection(0).CommandText at run time?
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Jun 21, 2010
I've created two forms of which two separate datasets/tableadapters were created by adding a datasource and dragging and dropping the fields onto my form.I was testing the program using a db that was located on my local drive. Well after publishing the app to the users machines, I noticed that the binded information was still being pulled from my local machine and not the database that the user is working off of.I've set the connection modifier properties for both tableadapters to Public, and I have written the following attempting to change the connection strings:
Private Sub btnSaveSettings_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSaveSettings.Click
Dim pap As New frmPap
My.Settings.dbLocation = txtSettings.Text
[code]....
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Dec 11, 2011
I created a wizard dataset and add data adapters in my Dataset.i want change select commandtext when form loaded
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Sep 14, 2010
I'm trying to edit the CommandText for the Insert Command in a TableAdapter in the Designer in vb.net. Whenever I make changes to the CommandText, Visual Studio (2008) automagically changes the Parameters to a Collection consisting of one Parameter thatexisted before editing the Command, immersed in a sea of complete garbage Parameters, and then I either have to undo (unless this was the first thing I tried editing, in which case I have to close the Designer to discard changes and reopen it) or manuallychange ALL the Parameters back to something that isn't complete garbage.
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Sep 13, 2010
I'm trying to edit the CommandText for the Insert Command in a TableAdapter in the Designer in vb.net. Whenever I make changes to the CommandText, Visual Studio (2008) automagically changes the Parameters to a Collection consisting of one Parameter that existed before editing the Command, immersed in a sea of complete garbage Parameters, and then I either have to undo (unless this was the first thing I tried editing, in which case I have to close the Designer to discard changes and reopen it) or manually change ALL the Parameters back to something that isn't complete garbage.
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Jun 16, 2009
I added an .xsd file to my project using the IDE After that, I right-clicked and chose Add->Query I chose a dummy connection and then >SQL statement->Update Then I changed the Query's modifier to public
Dim ta As New dsCC2000TableAdapters.UpdatesTableAdapter
ta.UpdateQueryTest()
The problem is... I can't seem to modify the connnection object at runtime (by using ta.connection = XYZ) It doesn't show up on ta variable's intellisense!
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Feb 9, 2012
I added an .xsd file to my project using the IDE After that, I right-clicked and chose Add->Query I chose a dummy connection and then >SQL statement->Update Then I changed the Query's modifier to public
Dim ta As New dsCC2000TableAdapters.UpdatesTableAdapter ta.UpdateQueryTest() The problem is... I can't seem to modify the connnection object at runtime (by using ta.connection = XYZ)It doesn't show up on ta variable's intellisense!
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Jul 17, 2008
I have a string qText with the text of a query in it, say qText = "select * from Data". how can I execute it to fill a TableAdapter I have in my form with the resulting data?
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Apr 16, 2008
What I want to do is be able to active a query for my datagrid by clicking on a button. How would I do that? Would I create the query as part of my tableadapter???
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Apr 19, 2008
I included a MicrosoftReportViewer to my project:
Code:
Private Sub Report_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
[code].....
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Nov 2, 2009
Is it possible to change the icon of my app in runtime?
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Feb 18, 2010
Im writing a app using vb.net, which has multiple front ends e.g a windows service and a windows forms app. Ive got all my business logic and database stuff compiled into 1 project (producing a dll) then the different front ends as different projects calling the dll.
In the backend / dll project Im connecting to 2 databases using app.config to store the connection strings and DataSets / TableAdapters. This all works fine .... Until
When I deploy the windows app, it deploys the exe and the dll produced by the backend project. when its installed on a client PC, Im need to point the app at a different db server and therefore need to change the connectionstring, but its packaged up in the dll.
is there any way I can use a settings file within my windows app (therefore deployed with my windows app) where I can define the connectionstring, which onload gets passsed through into my dll, so the backend connects the correct database. I know how to pass standard settings through (strings etc) but the my.settings.connectionstrings seem to be readonly.
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Oct 28, 2009
I started coding my first "real" stand-alone desktop application in VB 2008 Express. I was led into believing that using SQL Express Compact Edition was the thing to use for my database since it would reside on each PC (laptops) that I installed the program on. I created all my tables and about 6 forms and all was going well until I came to the point where I need to display a grid showing data from multiple tables using what i think is supposed to be a view. Now the problem is that CE doesnt allow views. Here are my questions:
1. Can I convert my CE database file into an SQL Server Express file?
2. Do I have to re-write all my forms that are using the database? I am planning on creating my SQL Server Express database with the same table names and the same field names, data types, etc.
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Oct 8, 2011
I am not that good with sql/visual basic but I have a sql database hooked up to visual basic and I would like to know how to make a picture box change pictures.
For example:
in sql : picture= 0 in VB: if number = 0 then display.nopicture
in sql: Picture = 1 in vb: if number = 1 then display.Picture01
This is for avatar use in my program.
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Dec 9, 2010
i have a program i've made a while, and one of the users wants to be able to load his own images to the background instead of the plain grey that is there now. i've searched and searched, and basically can get this working
BackgroundImage = Image.FromFile("C:UsersMeFileName.png")
i just slapped that onto a button just to get it to work as i was experimenting. but that only works for a file of that name, on my computer, in that folder. what i'm looking to do is get it so a user can browse his own directories for images and upload them as the background on the form. and be able to save the settings as well. but so far i have only seen different ways to load preset images that you can load. if it's even possible? i'd assume that you'd use the openfiledialog command, but i'm not that well versed in vb as of yet.
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Oct 9, 2011
I'm trying to change a forms title at runtime where it = my textbox's text. But I can't even get it to change to "test". When I try to google it, it comes up with vb6's
.caption = "test".
When I try to search it on the forum, it gives me a error message saying:
"Error 502 Bad gateway"
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May 11, 2010
I have a forms application and I have multiple localizations for it. I've figured out how to add a button to a form, to change the localization and then read all the labels/etc and change them to the other language.What I would want to do instead now is click a button and it changes to the other language the current form but also the entire application so that any other windows opened while the application is open open in that other language.[code]This is the code I use when a button is clicked on a form to change it to Hindi the current form. However I want to when the button is clicked, change application to continue to run on that localization instead for the remainder of the time it is open.[code]
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Mar 8, 2011
I have a forms application and I have multiple localizations for it. I've figured out how to add a button to a form, to change the localization and then read all the labels/etc and change them to the other language.What I would want to do instead now is click a button and it changes to the other language the current form but also theentire application so that any other windows opened while the application is open open in that other language.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
If Present <> OriginalCulture Then
[code].....
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Mar 15, 2012
I need to change size parameter of OvalShape, I have about 100 of them, named like OvalShape1, OvalShape1...... OvalShape100
This example works for Label, but throws error for OvalShape, following is my modified code that giving error;
For Count As Integer = 1 To 100
[code].....
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Feb 17, 2012
possible Changing ReportViewer BindingSource at Runtime? in visual basic 2010
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Jun 4, 2009
I am working on a project that uses a .txt file to store data for my arrays. Everything is working correctly i.e. I can read the file and write to the file, my issues when I exit out of runtime I get this msg
Quote:
M:My4BVB....Customer.txt
This file has been modified outside of the source editor. Do you want to reload it?I understand what it means, what I would like to know - is there a way to stop it from popping-up?
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Sep 4, 2009
How do I change my code so that it will change the Value of the My.Settings.* to what TextBox1.Text is
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
If RadioButton1.Checked = True Then
My.Settings.Acc1 = TextBox1.Text And My.Settings.Pass1 = TextBox2.Text
[code]....
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May 9, 2009
I have 2 Comboboxes on my Form which also has a DataGridView. One ComboBox is populated with Font Names and the other is populated with a range of Numbers (Font Sizes). On a button click I've added this code
[Code]...
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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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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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Apr 23, 2010
I have a report viewer that i would like to display different data in depending on the report button that the user clicks. The data is stored in access databases. I am able to retreive the data and display the initial report but i have not been able to change the report/data that is being displayed.
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Jul 5, 2009
I have a form in whcih users will be able to select the required field that has to be printed.. can u tell me how to add field in CR at runtime ?
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Jun 28, 2010
For example at run time if i wanted column header 4 bold is this possible?this bolds all the column headers
Me.DataGridView1.ColumnHeadersDefaultCellStyle.Font = New Font("Tahoma", 8.25, FontStyle.Bold)
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Mar 30, 2009
I have specified my connectionstring in My.Settings
But when I want to change it at runtime I get the error: Property connectionstring is read only.
Is it possible to change the connectionstring at runtime???
I used the following code:
[Code].....
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Mar 13, 2012
I am using the PowerPack and trying to change multiple ovalshape size, I have used the following code for changing multiple labels,
For Count As Integer = 1 To 100
Me.Controls("Label" & Count).Text= "Hello World"
Next Count
If I do the same for OvalShape, assume I have OvalShape1, OvalShape2.... OvalShape100
For Count As Integer = 1 To 100
Me.Controls("OvalShape" & Count).Size = New System.Drawing.Size(20, 20)
Next Count
The above throws error when executed.
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