Wpf - Textbox Or Datepicker In DataTemplate. Based On The Data Type?
Jun 1, 2011
I have a datatemplate for my listbox:
<DataTemplate x:Key="CheckBoxTextBoxItemTemplate">
<StackPanel Orientation="Horizontal">
<CheckBox Focusable="False" IsChecked="{Binding IsChecked}" VerticalAlignment="Center"/>
<ContentPresenter Content="{Binding Name, Mode=OneTime}" Margin="2,0" Width="140" VerticalAlignment="Center"/>
[Code]...
However the items in the list that the listbox is bound to are not all String types. Some are DateTime and a few are Integers. I would like to have a datetimepicker displayed instead of a textbox for the DateTime types. How can I make this happen.To clarify some points the list is populated at runtime using reflection so I don't know which fields are what types ahead of time.
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Oct 20, 2009
I want to be able to have a case for each data system data type. Obviousely the code below doesnt work but it should make it easier to understand my question.
[Code]...
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Mar 11, 2012
I have a datagridview1 which i want to filter on text in textbox.
I want gridview to display all rows which contains textbox.text.
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Apr 26, 2012
in short I just want to have constantly running in the background something to display in LB8 the the contents of LB 2 that contain what is typed in TB1
1Private Sub Name_Change_Load(sender As System.Object, e As System.EventArgs) Handles MyBase.Load
2Dim filtertext As Integer
3filtertext = ListBox2.FindString(TextBox1.Text)
4ListBox8.Items.Add(filtertext)
5End Sub
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Nov 23, 2009
I have a VB 2008 application with multiple DataPicker fields. The data is binded to SQL database. On the form load I set the checkBox for each date to false if there is no date in the field. Noticed that if I make changes to some dates for record 1 in the table, save it and scroll to the next record - I see the date that I just changed for record 1 - also on records 2 and 3. Why is it happening? I don't have that problem if I use text fields to display the dates. I had encountered the same problem with different project and just switched to text boxes. With this new project?
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Dec 11, 2009
I have this lambda expression Me.SubcriperGrd.ItemsSource source.Where(Function(p As subscripers) p.Navn Like navn)
where i should filter the grid data based on the typed input in a txtbox
It returns the result when i type the full name but it doesn't filter the data as i type along in the txt field
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Apr 6, 2011
I am creating a project in VB.NET in which one of the reports require that the name of employees should be displayed as column names and whatever work they have done for a stated period should appear in rows below that particular column.Now as it is clear, the columns will have to be added at runtime. Am using an ODBC Data source to populate the grid. Also since a loop will have to be done to find out the work done by employees individually, so the number of rows under one column might be less or more than the rows in the next column.Is there a way to create an empty data table and then update its contents based on columns and not add data based on addition of new rows.
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Nov 29, 2011
Visual Basic 2010 Express: I have a form with a combobox that is populated with the names of locations from a datagrid which in turn was imported at run-time (Form_Load) from an Excel database. The Excel database (and the datagrid) also stores the information for addresses and phone numbers for their respective locations.
What I would like to do is have the phone number and address text boxes automatically be updated with the proper corresponding data when the user selects a location from the combobox. Whether the text boxes are updated from the datagrid or Excel database is not a concern; I'm mainly looking for whichever way is simpler.
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May 14, 2010
I have a listbox that is bound to an observable collection of Audio (custom class).The Audio class has two properties, DisplayText (string) and a property called TarpIds (Observable Collection of Integer).I need to allow the user to change the TarpID in the combo box for each list item displayed and catch the selection change.I created a DataTemplate that styles the DisplayText property from the Audio object and adds a ComboBox to display the available TarpIDs for this audio (These are dynamic and unique to each Audio).The DisplayText works great, but I can not get the TarpIDs to display in the ComboBox.FYI I set the ItemSource at run time that binds the ListUploadAudio to the Observable Collection of Audio.[code]
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Jun 12, 2010
I've got 2 DataTemplates defined for a Listbox Control. 1 Template is for the UnSelected State and the other one is for the Selected State(showing more detail than the UnSelected State).[url]...
about how to access the Elements inside the DataTemplates from Code behind.
I get it right, but it only finds and returns an element of the UnSelected DataTemplate. But when i search for an element in the Selected DataTemplate i get a NullReferenceException.
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Apr 18, 2010
Is there a VB.net function that tells me the data type (e.g., DateTime, Integer, Varchar) of a bound textbox?
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Jun 13, 2011
I want to give the result about this instruction 50^99 in textbox. What the data type can be use to give all number of this result.
The result in textbox : 1.97654296816219E+172
But the call in a windows 1.97654296816219383545704208846E+172
How can give all number in textbox.
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Apr 15, 2011
Lets say I have a form with several Textboxes that are all bound to "bindingsource1". I'd like to be able to check the field data type each textbox is bound to. Something like this,
Dim ctl As Control
For Each ctl In frm.Controls
If ctl.GetType.IsAssignableFrom(GetType(TextBox)) Then
[Code]....
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Feb 26, 2012
For each column in data table i want to add parameter with same data type as column data type. But looks it's not that simple.
Dim cmd As New SqlCommand
Dim dType As New System.Data.SqlDbType
For Each cl As DataColumn In DataTable1.Columns
[CODE]...
How can I do this?
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Jan 8, 2010
Is it possible to have a Textbox on a form that when the user inputs data, ( during Runtime )that data remains in the Textbox for good and the Textbox then becomes read only ? Is it also possible to make it so that the CD with the programme on, is in the PC when the programme is being used. Perhaps writing the Textbox data back onto the CD ?
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Jun 11, 2012
I need to create a function which have either 1 parameter with a string as data type or 2 parameters with double as data type.Something like the substring method.
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Dec 27, 2010
I'v designed a ms access database table with one field having Datetime datatype. I can Insert data into it from vb.net front end by trns_dt DateTime.Now.DateBut when I fetch records from the tableand assign the dataset datasource as da, it shows datatype mismatch error.
daleDbDataAdapter("SelectDaily_Transactiondtp_from_dt.value dtp_To.value con)
dsDataSet
[code].....
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Jan 31, 2010
I have a program that calculates commission, but if the commission is nothing then I do not want it to show a zero commission. I want a message box to show a message that there is no commission earned.
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Mar 2, 2012
I would like to specify a different doc type based on the browser type. I want to specify
For Non - IE
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
For IE
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
The reason being, the Report Viewer control is playing up in non-ie browsers with XHTML Strict doctype. See [URL] for more details.
Couldn't find a way to this from within the XHTML/ASPX file.
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Aug 9, 2009
My colleague gave me a DLL that manage all database business. I wanted to invoke a function that uses Stored Procedure and return the search result. In the function receive a parameter type in ystem.Data.IDataParameter[]. Below is my codes.
[Code]...
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Feb 11, 2011
I have a List<Object> where Object contains Name, Month, Type, Value.
is it possible to sum all the Value based on type, and then based on month?
I am using .NET 3.0 in VB.NET I was doing withe like 4 For loops, but its taking a while to run.
For clarification, I have something like this:
Name | Month | Type | Value
-----------------------------
hello | Jan | A | 1
hello | Jan | A | 2
hello | Jan | B | 2
[Code].....
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Dec 13, 2010
I wanna type 140 characters in asp.net textbox with multiline when i type in textbox then the characters will be decreaded means if i type two characters in textbox then in label the available characters will be shown is 138..using vb.net
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Apr 25, 2012
I have a function (on vb.net) to get a data from a XMLWebService:
[Code]...
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Feb 19, 2010
I added this lines in the form load of DataGridPrinter by Merrion in the codebank..[code]Unable to cast object of type 'System.Data.DataViewManager' to type 'System.Data.DataTable'.
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Dec 31, 2009
every time i run this code i get the same error
Unable to cast object of type 'System.Data.DataTable' to type 'System.Data.DataView'.
the code is
Dim plmExcelCon As New System.Data.OleDb.OleDbConnection
Dim cmdLoadExcel As System.Data.OleDb.OleDbDataAdapter
Dim PrmPathExcelFile As String
[Code]......
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Feb 1, 2010
This is my first web-based application using VB 2008. I had no idea where to start so I just chose the 'Wpf Browser Application' and started adding the controls on the form and naming them the same as I would do with a normal non-web-based vb app. I ran the XBAB file under bin/debug using IE and the form showed up but I couldn't enter text or anything even though the textbox was set to enabled?
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Mar 7, 2009
there is a way to turn the following code into a sub so I don't have the same boilerplate show form code in use a thousand times in a program:
Example:
Public InstanceOfFrmGeneric As frmGeneric
If InstanceOfFrmGeneric Is Nothing Then
InstanceOfFrmGeneric = New frmGeneric()
[code]....
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Jan 12, 2010
[code] "The conversion of a char data type to a datetime data type resulted in an out-of-range datetime value.The statement has been terminated." [code]
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Mar 6, 2010
I try to get how many days there are between two datetimepickers, but get convert error no mater what i do.
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May 11, 2010
can I tell a standard Datepicker somehow, that Iif I use the Tab Key, it should jump to the next item?
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