DB/Reporting :: Error In SQL Query Bound To ComboBox
Aug 4, 2009
There is a connection in my program to SQL Server and there is a query which is bound to a combo box, to pull out values from the database. For some reason, I get an error message during run-time, saying that the syntax is incorrect.
Here's the query:
'The SQL Command to be executed:
projs = New SqlCommand("use " & Me.ComboBox1.Text & "''" & _
"go" & _
"select name from projects where condition = 'Y'", cnn1)
cnn1 is the name of my SQL Client connection.
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Mar 10, 2008
I have a combobox that is bound to a database.After I click "New Record" to insert a new record, I want to default to the first item in the Combobox list. This will speed up user input.any ideas. I have tried most ways but this should work correct:
cmbAssetLocation.text = cmbAssetLocation.Items.Item(1)
But nothing throws an error.
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Apr 17, 2009
populate a simple combobox with a query to a MySql database. I Just want the combobox to show the results of the query:
SELET DISTINCT models from Cars
I am using VB 2008 with Datasets, how can I achieve this?
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Jul 15, 2008
I have an Access XP database with two linked tables and a maketable query. I need to first run the Query through VB 2005 and then get the data from the resulting table created. But I get an error when I run the query as follows. I am getting the SQL Select statement from the SQL view in MS access after I create my Maketable query So it should be ok. I am saving the select in a hidden text box on my form.The query text :
SELECT [SWX-Seats].[Asset #], [SWX-Seats].Account, [SWX-Seats].Product, [SWX-Seats].[Seat Id], [SWX-Seats].[Serial #], [SWX-Seats].Qty, [SWX-Seats].[Entitlement End Date], [SWX-Seats]![Entitlement End Date]-[NS-Seats]![Exp Date] AS DaysDiff, [NS-Seats].[Exp Date] INTO
[code].....
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Oct 12, 2008
Here is a code to insert data to DBaccess from textbox. When I write a colon(') in the textbox to add to DB it caused error and show me this Message "Syntax error in string in query expression '''')'
Code:
Dim conn As New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;" _
& "Data Source =" & Application.StartupPath & "Store.mdb ")
Dim cmd As New OleDbCommand
cmd.Connection = conn
'Add text to DB
[Code] .....
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Apr 27, 2012
I'm trying to populate a combobox from another combobox
There are two comboboxes involve:
1. comboSupplierID
2. comboSProducts
[code].....
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Feb 1, 2010
I have a form which is bound to a table that includes information about properties (real estate). Each property can have a number of inspections. These inspections are included in a separate table.
I want to use the form to show the property information and a data repeater to show all the inspections for that property.I can't seem to get the data repeater to bind to the inspection table and pull only those records related to the property information table. In fact, the data repeater shows nothing.
I can get a data repeater to show all the records in the inspection table when I put the control on its own form, for testing purposes.
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Aug 1, 2011
For example; I have a DataGridView bound to a MYSQL Database. There are two string columns "Name" and "Gender". I need to make the "Gender" column a ComboBox where they can select "Male" or "Female".
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Jan 28, 2009
I'm using vb.net in vstudio 2005. how do I get the value from a combobox when I have it bound to a dataset?
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Apr 22, 2012
I have a data bound combo box which i want to open at a certain row in the table
i can't set the selectedvalue because it is databound
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Nov 10, 2010
I have a combobox2 this is bound to a datasource, which is an arraylist calledListItems.Everything is correct after the first For Next Statement - the listbox1Combobox1, and ComboBox2 all have 11 items. After the second for next loop, Listbox1 and ComboBox1 have 6 items, but ComboBox2 has 11 items, even though ListItems has only 6 items.
ListBox1.Items.Clear()
ComboBox1.Items.Clear()
ListItems.Clear()
[code].....
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Feb 12, 2012
Need some direction not looking for code,
How do I add text such as 'please select' to a bound combobox that populates from parameters?
I want to make this text the selected index 0.
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Jun 2, 2011
Has anyone here tried putting a combobox to a bound datagridview? The selected value of the combobox will depend on the value of the corresponding column in the database.
I have a datagridview. When the user clicks the edit button, the application fetches the records from the database and binds it to the datagriview. But I want to show the Gender Column as combobox with selectable 'Male' and 'Female' values.
How could I add a combobox to bound datagridview?
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Jan 5, 2012
I bind a datatable to the combobox.DataSource on load. I then give the combobox aisplayMember and a ValueMember (2 different columns out of the datatable). In the SelectedIndexChanged of the combobox I would like to use the SelectedValue property of the combobox, just to test I MsgBox(combobox.SelectedValue) and I get "Argument 'Prompt' cannot be converted to type 'String'." Why isn't it displaying the value?
OnLoad
cbCISoftware.DataSource = dbMaps.Tables("maps")
cbCISoftware.ValueMember = "id"
[code].....
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Jul 25, 2009
I am creating a DataSet:
objSQLCEConnection.Open()
objSQLCEDataAdapter.Fill(objSQLCEDataSet, sSQLCETableName)
Then populating a DataGridView with the data:
DataGridView1.DataSource = objSQLCEDataSet.Tables(sSQLCETableName).DefaultView
I have a string field, EventAction, that is in the database.I want that column to be a combobox column.I want to add the different EventActions to the list and let the user select the action they desire.
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Oct 20, 2009
Returns a list of customers with whitespace on the end.. very annoying .what can i do to trim in code behind?Also if I bind using the databinding on smart tag is there a way to trim?
[code...]
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Mar 5, 2011
Appropriate Title would be: Bind comboBox Tag to database.I have a comboBox on form which is bounded but and I need to populate it manually. With some reading on net i have found a way but it is not working
I can populate my combo, select item in combo, update database but the problem is when I load my form it displays empty combo (combo is fulled with my custom data but nothing is selected it must select correct ItemText) and after selecting a value in combo, the value disappears as soon as combo losses focus .
[Code]...
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Nov 7, 2011
I have a bound combo box that choose employee profiles and fill the form controls.
I can edit the selected profile nicely, but how to delete that selected profile?
The combo box is bound to a sql table. When i use the...
cbox_profiles.Items.Remove(cbox_profiles.SelectedValue)it says: "Items collection cannot be modified when the DataSource property is set."
So how can i delete this selected item or any item i want from that bound combo box?
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Feb 16, 2012
I've got a combo box that's bound to a virtualpathbinding source. The column it's bound to (Display and value members) have duplicates that I'm trying to hide/remove.
I cannot remove the duplicates programatically as it errors (the control is bound, cannot change data).
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Jan 25, 2010
I am using a bound combobox control in a vb.net application. How do I set the combo box to an item if I know the value of the ValueMember, but I don't know the DisplayMember. I can use the FindExactString method if I know the DisplayMember, but not if I only know the ValueMember.In explanation, the value member is an employee Number, the display member is the Name. I get the employee number from a detail item in another table and now I want to set the combobox to display the Name that goes with that detail item.
Can someone post some vb code to show how to do this.
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Apr 25, 2012
in my application i am using table called teacherdetailloading which will bound combobox here is my piece of code:
[Code]...
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Mar 15, 2012
I have a datagridview bound to a datatable. I want replace one of the cells with a combo box and bind that combobox to one of the columns in the datatable. I have been able to replace the cell OK but currently have two issues I have not been able to resolve.
1. When I add items to the drop down (items.add ("Yes")...) they don't appear in the drop down box.
2. I can't figure out the syntax to bind a particular column in my datatable to the newColumn(combobox) in the datagridview.
dbConnection = New OleDbConnection
cmdCommand = New OleDbCommand
Try
[Code].....
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Sep 24, 2009
I have been asked to convert a column (11) in a datagridview. The dgv is populated in code thusly:
Dim dt As DataTable = MyDAL.GetDataTable(SQL, Params)
With dgvContracts
.DataSource = dt
.Columns(0).Visible = False
.Columns(1).Visible = False
[Code]...
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Mar 18, 2010
I have looked all over the web for a way to set up a VB 2008 combobox but what I have seen makes me shudder! I want to , as In Access VBA, set the recordsource/datasource for the combobox i.e. the list shown in the combobox, to the values of another table (currency) and then when the user selects one of these values to store it in the (already) bound field of the combobox (to another table). In Access of course there was a wizard for this sort of thing, but in VB 2008 looks like it is just lots of code.
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Oct 1, 2011
I'm loopiing through a datagridview and I want to get the selected value in a combobox, not the bound column's value. (I'm putting the contents of the dgv on a Word document.)
For icounter = 0 To Me.ConversationTblDataGridView.RowCount - 1
range.Text = range.Text & Me.ConversationTblDataGridView.Rows(icounter).Cells("PersonID").Value <-- I want to change "Value" so I get the displayed value, not the person's id
range.Text = range.Text & CHR(13)
Next icounter
It will not take .DisplayMember or .SelectedItem and .Selected returns True of False. Can anyone tell me how to get the name that shows in the combo box instead of the id number?
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May 4, 2009
I have created a search/query facility after watching one of Beth Messi's videos. I notice that we can convert the textboxes on the auto generated search toolstrip to buttons, comboxes, etc. So, when we wanna search for a data in the datagridview, we enter a keyword. I wonder if it is possible to change the textboxes to comboboxes and make it bind to the datasources, so that users can use the drop down, instead of typing?
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Nov 30, 2009
In the form below you see how the initial selected item is the first record of the table.. these controls are bound.. I want to initially show "Select one" in the combo box or nothing at all and the other controls not to be bound until an actual item is selected in the combobox..
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Oct 20, 2009
I have a combobox that is bound to a dataset. The dataset has 3 columns of data. at any given time there could NOT be any data in the dataset.
When someone selects an item from the box I want to store data from 2 of the columns of the row they selected.I do the 'store' in the selectedindexchanged event.
so currently I am assigning each column/row value to a property from a datarowview i get from combobox.selecteditem.
Code:dim column1 = drv.row.item(0).tostringdim column2 = drv.row.item(1).tostring
But I am getting NullReference exceptions all over the place when there is not data.So i have to wrap it all in a try catch and assign nothing to the properties when the Null exception fires.
I want to also validate that there is a selection made. There must be a selection made if there is no data in the DS fill it.I do this in the combobox validate event.
It just seems like there is a better way to check for no data coming from the combobox.
I wish there was a way to do some sort of .count on the datarowview you get back from the combobox.selecteditem but anything i have found also gives a null ref exception if used.
Also what is used to programmaticly change the selected item?
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Mar 21, 2011
I have a combobox that is bound to a dataset.The dataset has 3 columns of data.at any given time there could NOT be any data in the dataset.When someone selects an item from the box I want to store data from 2 of the columns of the row they selected.I do the 'store' in the selectedindexchanged event.so currently I am assigning each column/row value to a property from a datarowview i get from combobox.selecteditem.
Code:dim column1 = drv.row.item(0).tostringdim column2 = drv.row.item(1).tostring
But I am getting NullReference exceptions all over the place when there is not data.So i have to wrap it all in a try catch and assign nothing to the properties when the Null exception fires.I want to also validate that there is a selection made. There must be a selection made if there is no data in the DS fill it.I do this in the combobox validate event.It just seems like there is a better way to check for no data coming from the combobox.I wish there was a way to do some sort of .count on the datarowview you get back from the combobox.selecteditem but anything i have found also gives a null ref exception if used.Also what is used to programmaticly change the selected item?.selecteditem.selectedtext.selectedindex.selectedvalue?
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Aug 9, 2009
I have a data-bound combobox that pulls values from a BindingList(of T). Combobox loads fine, correct values are displayed (I'm not using SelectedItem or SelectedValue). I'm using properties and connecting the data to the control via a bindingsource.
What I want is if the user types text into the combobox, I want the data from the bound table to change to that new text, i.e. edit the bound data directly.
Easy as pie to do with a textbox, but can't seem to get a combobox to work this way.
I was trying to use the validated event of the combobox to write the data to the datasource, but it doesn't fire when I press enter. Is that the way to do it? Can I not link the data to the combobox directly?
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