Databind From ComboBox To Textboxes
Oct 16, 2010
After listing the data from data base to combo box, I would like bind the chosen data from combo box to textbox.
'bind from combo box to textbox
Dim ConString As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=D:\Car Rental Data\Mutiata Company Car Rental System1.mdb"
Try
'open connection
[Code] .....
I have try using this code to bind the data from combo box to textbox, but unsuccessful to display the data in textbox. Is there any code that I left behind?
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Apr 19, 2011
Is it possible to BOTH set a comboboxes datasource AND databind the selected value?Ihave 2 comboboxes on a form that I want to populate with data from 1 table,ut I want the actual selected values on each of the comboboxes to come from separate columns n another datasource Right now if one combobox changes, so does the other if that makes sense.
Here's a sample of code:
'Bind DataSource
With cboYields
[code].....
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Mar 17, 2011
i have a combobox in my form and i need to databind it from database i need to know is it posible to databind the combobox with image and text together like first show an image and than a text for each item.
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May 18, 2011
Dim cn As New OleDbConnection
Dim sql As String
Dim da As OleDbDataAdapter
[code].....
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Mar 15, 2012
I have here a combobox1 named choosename in form1. then i have a 10 textboxes named answers in form2.
I want that if i choose from the combobox1 the textboxes answers of form2 to will link to it. and it save into my sql database.
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Oct 18, 2010
I need my application to open an excel document and fill in the combo boxes, with whats in Column A, and then fill in text boxes with whats in Column b etc, but I also neeed to edit those textboxes incase I need to do any edits to the excel document, then click a button, and save those edits to the excel document.
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Jan 8, 2010
I'm trying to populate textboxes on one form based on a selection on a combobox on another form. All data will be pulling from the same SQL table. I've got the combox to work fine to show the correct data in one of the textboxes by using the lines:
Dim connectionString As String = "Data Source=F03D3S-DEV01; Initial Catalog=dos_track;" _
& "Integrated Security=True"
[Code].....
,but not sure how to get the other textboxes to fill with the correct data (from the same SQL table row) associated with the combobox selection. I've spent SO MUCH time on this trying to figure it out, but am getting nowhere fast...
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Mar 26, 2012
I have a database with table "Customer" that will be the datasource for my form controls. My form has a combobox and various textboxes that need to change based on the selectedvalue in the combobox, cboCustNo. Firstly, I'm try to get the combobox to populate with the customer names on the table but have the value member of the combobox set to their customer numbers (just for ease of indexing). Based on the user's selection I'm trying to have various textboxes show the corresponding data (Address, City, Balance, etc.). The code I have so far is below:
Dim cnnDB As New Data.OleDb.OleDbConnection
Dim cmdSelect As New OleDb.OleDbCommand
Dim rdCustomer As OleDb.OleDbDataReader
Dim CustTable As New DataTable
[Code]....
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Apr 27, 2010
how to go about this? I have a form, frm1 w/a combobox, cboLocations, which is being populated using a sql string. There is also a frm2 w/a series of textboxes and other comboboxes. I want it so that once a selection is made from cboLocations, the textboxes and comboboxes on frm 2 are populated with the corresponding data. Here is what I have so far:
frm1:
Public Class frmLocations
Dim conn As New SqlConnection("Data Source=f03d3s-dev01; Initial Catalog=dos_track;User Id=vbuser; Password=tran3;")
Dim depot_refnbr As Integer
[Code]...
What's happening right now is that I make a selection from cboLocations on frm1 and click on the OK button, frm2 loads, but none of the textboxes are populating and one of the comboboxes, cboDepot, shows the different data when you click on the down arrow, but it's not displaying anything it its text field when frm2 loads.
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Aug 26, 2011
[Code]....
I know that if get datatable in gridview.datasource,ever write gridview.Databind.But I found coding of my friend. He write only get datatable in gridview.datasource but no write gridview.dataBind. Therefore, his coding is not error. Why? Don't need to dataBind?
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Feb 6, 2008
I'm new bie to VB.NET.I want some help on the following requrement.
Table: trade_data(tradesourceid,description)
Data:
trade_data(1,'Indian Bull')
trade_data(2,'Golden way')
trade_data(3,'Indian Trades')
[Code]...
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Oct 14, 2011
On my form, i've got some textboxes and some richtextboxes. I'm using the following code, to search through the text properties of each of the two types of control. see below:-
For Each ctl As Control In Me.Controls
If ctl.Text = "7777" Then
ctl.Text = "found the sevens"
End If
Next
What i'd like to do is isolate the textboxes only, is there a way to do that? I tried this but i got an error:-
For Each box As TextBox In Me.Controls
If box.Text = "7777" Then
box.Text = "Found"
End If
Next
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May 17, 2011
The Dropdownlist data binding using throw common function. In this have a problem in passing dropdownlist.
Error: Object cannot be set an instance of object The code is below
Aspx Page Code:
<asp:DropDownList ID="ddlagent1" CssClass="ParameterTextBox" runat="server" AutoPostBack="false"></asp:DropDownList>
Protected Sub chkcity_CheckedChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles chkcity.CheckedChanged
[Code]...
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Mar 12, 2011
I'm running the following query:
' Show which halls they are eligible for.
Dim dbRooms As New pbu_housingEntities
Dim gender As String = Session("gender").ToString
[Code]....
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Apr 7, 2011
I have a dropdownlist in my repeater, the dropdownlist is databound by a datasource. Originally all the dropdownlist will have all the same item option. I try to do if one of the showing dropdownlist is selected one option, then in other dropdownlist this option will disapper.
here is the asp:
<asp:Repeater ID="UnitMatchRepeater" runat="server" DataSourceID="OldUnitsDataSource" >
<ItemTemplate>
<tr>
<td>
[code]....
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Jun 21, 2012
I have created a wpf vb.net project and am trying to set a simple databing. I'm not quiet sure how to set my DataContext = this; in the codebind. Currently when i run the program my Label never is updated. I have included my code below. [code]....
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Jul 26, 2011
I have a DataAccessLayer that returns a datatable. The business layer calling it also returns a type datatable.In my form, I call the business layer as a datasource of my gridview and then I binded it.
This codes are working in C# but I have problems when I converted it to VB.NET. During databind it displays the error: Data source is an invalid type. It must be either an IListSource, IEnumerable, or IDataSource.
Can i not bind a datatable in my gridview in vb.net? What do you think is the problem?
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Nov 14, 2006
How can I databind from my xml file to my treeview?I didn't like my way of populating a tree view, coz of it doesn't go with my UI when I was creating an xml file then load it to the treeview...
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May 5, 2009
I have a datatable with verified 10 rows named dtable. I attempt to bind it to my gridview and nothing shows up on my asp.net page. Why do these relatively simple few lines not populate my gridview?
Dim con As SqlConnection = Nothing
Dim dTable As DataTable
Dim dataAdapter As SqlDataAdapter
Dim sqlcmd As String
[code]....
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Oct 31, 2007
I have a DataGridView that is inside a TabControl. After I bind the DataGridView with data, the first row is selected. How do I prevent this from happening. I tried DataGridView.ClearSelection and DataGridView.Rows(0).Selected = false. Neither of these options work. I think it has something to do with the tab control not being completely drawn before I call the methods. If I run this code from a button it works.
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Oct 21, 2010
My goal is to, Pull information from a websight's textboxes in IE into my program textboxes. and to later Put changes from into other values on the websight from my program into it. The sight has multiple textboxes, on different frames. within it.I need to keep it as a exsiting open browser instead of making a new one. only gotten as far as finding the open internet explorer window, by useing
[Code]...
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Aug 18, 2010
I am trying to add an attribute to a dropdownlist control to store a value returned for the database. This value is need to get a code once a selection is made on the dropdownlist;
I have tried the following:
ddlStatus.DataTextField = dsValues.Tables(0).Columns("Description").ToString ()
ddlStatus.DataValueField = dsValues.Tables(0).Columns("CategoryCode").ToStrin g()
ddlStatus.Attributes.Add("SysCode", dsValues.Tables(0).Columns("SystemCode").ToString( ))
ddlStatus.DataBind()
but the attribute is not bound to the control
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Jan 26, 2011
How to apply databind, so that the recent updated value will be displyed instantly, as i press update button ?
Dim cmd As New Data.SqlClient.SqlCommand
Dim con As New Data.SqlClient.SqlConnection(constr)
Try
[Code]....
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Nov 11, 2011
I'm trying to databind my repeater but so far not having any luck.I have two functions at the moment by following some tutorials/examples
HTML:
<ItemTemplate>
<tr class="row">
<td><asp:Label ID="TitleLabel" runat="server" Text=""></asp:Label></td>[code]....
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May 15, 2012
My dropdownlist is set to databine like this...
dt = dal.FillDataTable(SqlConnectionString, "SELECT SQL Query Statement")
dropdownlist1.datasource = dt
dropdownlist1.datatextfield = dt.columns.item(0).tostring
dropdownlist1.databind()
This is turn populates my dropdownlist, when a user selects a value, it is then populated to the remaining textboxes on the remaining forms with a session call...
dropdownlist2.add(ctype(session.item("valOne"), String))
Through this session it populates the one value, is it possible to display the selected value but also include all other dropdownlist items in case they want to change thier selection?
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Apr 14, 2012
I would like my website to allow users to download files which are stored as blobs on the database, the database holds fileID fileName and theFile. I have a grid view with two columns, fileName and a template column, which is databound to fileID and has a linkbutton. When the link is clicked it calls to a function which downloads the file. The function needs the fileID to download the file, how do I get the fileID bound to the selected linkbutton.
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Aug 4, 2011
I have a GridView on an ASP.NET page that I'm trying to bind to an object data source that I've set up to map to a vb object I made which accesses the DB. When I run the page, though, the gridview comes up empty.
The ObjectDataSource is definitely returning data. The paging parameters are making it to the underlying object. All the way until I get to the DataBind() call everything seems fine. But the grid comes up empty. Funny thing is, if I use the method that returns all records in the DB, the grid populates just fine. Only when I try to implement custom paging does display no records. I've tried using the wizards, I've tried diagrammatically setting it up and run time. No matter what I do I can't get paged data to display in the grid.
oDatasource = New ObjectDataSource()
oDatasource.EnablePaging = True
oDatasource.TypeName = "tblMessage"
oDatasource.SelectMethod = "GetTblMessageSubset"
[code]....
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May 19, 2010
I have an AccessDataSource TestSummaryADS. I can easily view the results in a GridView or DropDownList by setting its DataSourceID property.
How do I bind a value from the results TestSummaryADS to the text of a label?
I'm just trying to populate labels on my page with results from the DB entry.
C# or VB.NET answers okay.
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Nov 15, 2011
I am databinding my gridview in VB code behind. Because of this I know I can not refer to the NewValues when text is entered into one of the edit boxes. I need to retrieve the value of a column in the RowUpdating event.I have tried to do this in a multide of ways, but each of my changes ends up breaking something else.None of these three methods is working....
Dim DT34 As String = DirectCast(GridView4.Rows.FindControl("Textbox1"), TextBox).Text
Dim TB1 As Label = GridView4.Rows(e.NewEditIndex).Cells(0).FindControl("Label1")
Dim tb1 As TextBox = GridView4.Rows(e.RowIndex).Cells(0).FindControl("TextBox1")
Dim IDVal As String = tb1.Text
In the following code, I am believe it is finding the control but it is not returning the value that was entered into the textbox.
Dim tb As TextBox = DirectCast(GRD4.Rows(index1).FindControl("TextBox1"), TextBox)
updateDescription = tb.Text
My field has been converted to a Template field in the Gridview instead of Boundfield.
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May 30, 2010
Trying to set the start time of the Avalon DateTimePicker, but all I get is the current time.Anyone had any success with this control. FYI, I am stuck using .Net 3.0.[code]
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