Getting Portion Of The Selected String In The Combobox
Nov 15, 2011
I have a combobox which is filled with items from a table like this: [Code] What Im trying to do is to when I choose one name from the dropdown list the firstname shall go to one textbox1 and lastname go to textbox2. One way doing this may be to use the ID column wich is the the Primary Key. And do a new search in a button with that ID which fills the textboxes. But how can I get just a portion of the selected string in the combobox to a string so I can do a search on it.
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May 13, 2009
I was wondering what the easiest way is to get a portion of text from a string for example, you have:
"example1,example2,example3"
And i need to be able to get all three of the items separate:
"example1"
"example2"
"example3"
The length and number of items will change, I'm using a listview subitem
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Feb 29, 2012
Lets say I have a variable: varEmail. It contains a variable equal to the user's email address, so it might contain a value likeNow, lets say I want to get just a portion of the email address, e.g. strip off the domain, like so:
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Sep 7, 2011
I am trying to extract the first portion of a string up to the first SPACE or any non-numeric digit.I thought I could do it but the string may contain an alphabet in the front followed by varying digits of numerals, making it more complicated.Here are some examples of the string to be parsed and the expected results:
String[code].....
I would have to use a series of instr statements but the code would be much cleaner using RegEx.
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Mar 26, 2010
I have a sql table with the following fields
ID = PrimaryKey (nvarchar(50))
Name Surname
sample value of ID = RHO-1 How do i automatically increment the numeric portion when adding a new record to the database eg: RHO-2, RHO-3 and so on.
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Jun 27, 2012
I have a userform in 2008 vb express edition. A part number is created from user input via a concat string. I want to then check if a certain portion of the part number exists in the existing file names in a directory. Below is a more detailed explanation.[code]...
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Apr 2, 2010
I have a problem when I select a portion of a string from a RichTextBox. For instance, if I have the following string: (23*6)+5 and I want to select (23*6) the "+" is also selected. I have search for a means to correct this problem, but I have not been able to find a solution.
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Jul 22, 2010
I have thios code that will load a php file (text file) into a sting via streamreader then its supposed to find and replace a portion of the text and write the changes back out to the file via streamwriter. I put my code together and after running it look at the file and it's unchanged. After looking closer it appears the problem is the find & replace operation I am doing on the string. Here is my code:
[Code]...
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Aug 19, 2009
How to fill another combobox depending on the value selected from first combobox?
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Nov 21, 2011
In my VB.net solution I have a form in which I have to choose a beginstation and an endstation. I have to select both from comboboxes. Now what I want is that when I choose a beginstation, the chosen station will be gone in the combobox of the endstation so that I can't pick the same endstation as the beginstation.Is there a way to do this? I've tried a lot with SQL and LINQ queries but it didn't work out :(
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Feb 16, 2010
How would I go about replacing a portion of text in a text file with a string?
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Oct 24, 2011
I have a strings with different number of characters (30-50). But each string contain only two "x"-characters in different positions. I need code that will extract only a portion of string between the "x".
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Jan 15, 2012
[code]...
'here problem is if same name available i cant get its id,it always get first compared name's id.
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Sep 30, 2011
I have a problem with combobox,[code]...
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Aug 24, 2009
I Wanna To Get Selected Value Of This Combobox.
HTML
<select size="1" name="ddltavalod" id="ddltavalod" disabled="disabled" tabindex="8" style="width:50px;">
<option value="20">20</option>
<option value="21">21</option>
[Code]....
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Jul 30, 2010
I have a problem keeping a selected value in a combox. I select a row in a datagrid and load another form, based on this selection the form and combobox is prefilled with data. When I close this form it sets the selected value on the combobox back to 0 and gives me an error 'There is no row at position 0', how can I maintain the initial selected value to work around this error
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Dec 14, 2010
I typed and change few times. Now I am staring with mind blank...I am totally stuck... I am trying to figure out how to add up the grades that has been selected from the combobox. I am not givin up.
Private Sub btnCalcu_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnCalcu.Click
Dim intHourOne As Integer
Dim intHourTwo As Integer
Dim intHourThree As Integer
[code].....
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Mar 30, 2010
I have two comboBoxes: cB1 and cB2. Depending on the values I have selected in both comboBoxes, another value puts in a third comboBox called cB3. But if the combination of selected values between cb1 and cb2 don`t give any value in the third combo, first of all It has to appear a MsgBox advicing to the user of this situation, and secondly, I want that the execution thread of the application could be pause /stopped for the user could choose any value selected manually of cB3.
This last action is the problem because I am not able to stop/pause the execution until the user can select the value, and the code after this point is executed and gives me a Nullreference error.
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Mar 31, 2011
I am having a problem with using a value from a selected item in combo box. While debugging using breakpoints I can see that the combo box is working fine. The problem is I need use the selected value of the text box in HeatTransmissionCoefficientforAsinglePipeCalculation function and while debugging I saw that ThermalResistanceofTheInsulation, ThermalResistanceOfTheCarrierPipe, ThermalResistanceofTheJacketPipe all have a value of 0 when this is not the case...
This is what happens when use clicks ok:
Public Sub btnOk_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnOk.Click
' 1. Check if Metric or Imperial Units are selected.
' 2. Convert Entered Variables to opposite unit.
' 3. Determine what type of pipe is selected.
' 4. Determine what type of casing is selected.
[Code] .....
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Sep 23, 2009
have build some code which goes through the datasource finding records on what a user types, basically if the user types 'P' in the combobox it finds all records from FieldName with 'P' and if you type 'Portugal' it finds all records from the FieldName with 'Portugal, it all narrows down the search list say if there are to entries which match 'Portugal' the combox would only have to items in. The problem i am have is that when i bound the datasource back to the combobox every letter you type stays at Postion 0 of the combobox and doesn't move to the end of the letter as normally the combo works, does any one now how to get arround this problem.
At the moment i call my combobox search code from the keypress event of the combobox.This code works fine with recordsets in msaccess combobox but i cannot get it to work with the datasource of the combobox in vb.net Heres the code from the combobox keypress event:
Private Sub ComboBox1_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles ComboSearch.KeyPress
Dim keyascii As Integer = AscW(e.KeyChar)
PhoneBookComboSearch(keyascii)
End Sub
Below is the code at the end of my keypress event send the datasource back to the combobox.
Dim adapter As New SqlClient.SqlDataAdapter(strSQL, conn)
Dim dt As New DataTable("MyTable")
Dim ds As New DataSet
[code]....
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May 15, 2012
I am working on WPF application. I have a window which has "Combobox" and "Textboxes". Well,I want to display the selected combobox values in textbox. (Combo Box displays the concatenated string firstname+lastname+initials).But I have two text box for firstname & second name. I want to display only "firstname" in first text box and "last name" in second text box.I wrote the below code. IT displays the values but concatenated. IS there any way I can just display first name in first text box and last name in second text box.
FNSysEngnrTextBox.Text = SysEngnrCB.SelectedItem.ToString
LNSysEngnrTextBox.Text = SysEngnrCB.SelectedItem.ToString
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Oct 27, 2010
I have a combobox with whose contents get populated via code. Works ok. But When I select something in the list and hit 'OK' it always returns as: nothing, "", or -1 (tried with .selectedValue, .SelectedText, and .SelectedIndex respectively)
Question is, How do you access the text in a ComboBox's selected Value??
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Jun 4, 2011
I have a combobox named Requirements and The values of it come from sql
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Apr 8, 2011
I set combobox.datasource to a dataview item (so that it binds to a table), When I get return value from combobox.selectedvalue. Error was returned bcos it is of type"system.data.datarowview" I don't know why commonly its return value as text
The code :
If ldstList.Tables(0).Rows.Count <> 0 Then
With CbStatus
[code].....
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Apr 4, 2009
I have a combo box that's populated with 4 or 5 items, when you select the item, it shows in the combobox and is highlighted. How do I get it to show without being highlighted?
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
CBgrocerys.Text = "Select an item...."
Dim item() As String = {"apples", "oranges>", _
"pears", "plums"}
[code]....
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May 8, 2011
I have combobox, listbox and textbox. Combobox has datasource datamember values assigned i would like to select a customer from a combobox and save the datarow based on that selected value to an array it could be a list or whatever created in memory as variable and this will be my listview Datasource. I understand within that current row there is ID value which is interger.[code]...
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Mar 29, 2012
i would like to know how i get the selected value of a datagridview combobox column?
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Nov 21, 2008
I use a webbrowser in my application named Webbrowser1.In one part of my project i need to know what is the value of a selected item of the combobox in the wbbrowser.For example i have a HTML Like this
[Code]...
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May 17, 2009
get selected value from database and input this value to combobox. [code] when I run this program . in combobox 1 just have 1 value.in database I have some value.
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Feb 7, 2009
I had a combobox which is generating auto number from DB. i need to get data automatically to the ramain ing textbox , if i select a no from combo.[code]...
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