How do I concat combo box data. E.g. value in combo box 1 is "L1" and value in combobox 2 is "03". How do I combine them together into L103? Part of the code looks like this. I am trying to combine two combo box values into one single string and save it in my database. I tried to run the program, but when I click the save button, nothing happen. And I look into my database, no data being added.
Dim strInsert, psID As String
psID = cboLevel.Text & cboLNumber.Text
strInsert = "INSERT INTO
[Code] ....
I am wondering how to detect that the values in the combobox are the same, as i am doing a application that will show the dates from the combobox. So if there is identical dates in the database, it will show only one date, and when the user clicks on that date which has many entries, it will show all relevant data to that date to a listbox for example.
I am trying to write a code which will combine these values and format it in the following format to be used as control/validation ID. I have written a line of code that will merge these values together into a long string but I can't get the zeros to fill in. For month, I get 4 instead of 04 and for numeric value I get 1 digit number instead of having numbers with 0 padding to the left.
How Do I show the values from the dataset to the text box based on the selection from the combobox list i already populated the combobox my code is. [code]
I am used to creating a data set with data from one table, for instance:
[Code].....
Now I am needing to add a second table. For instance, my second table "EQUIPMENT" has a field called "DESCRIPTION" that I would like to add to my dataset. The "WORKORDER" table has a field called "EQNUM" which is what the "EQUIPMENT" table uses as the primary key. how to combine these into one dataset?
Does anyone know how to, or if it is even possible, to add data from two different databases into one datagridview? For instance, the following is my code for one source of data, pulling from Access.
[Code]...
PartNumber from the first dataset and ItemNumber from the second are supposed to be alike. What I need in my datagridview is all the info from the first dataset and then for each row I need the description from the second dataset, based on the PartNumber that is listed for that row.
I am rewriting a program I originally did in MS Access. In this program I pull a table from the company's AS400 iSystems, it is filtered by data that I have in an Access Table. In Access, I first link both tables to the source and then just create a Query as if both tables were local. Now that I am using .Net, the second table is in SQL Server 2008.
Here is my code in metadata Partial Public Class CombinationOfTSC <Key()> _ Public Property LectureID() As String Get Return m_LectureID [Code] .....
I'm having error at c.LectureID = s.LectureID = t.LectureID I wish to get the combination of 3 tables through the lectureID since there are lecture ID on 3 tables.
Is there any difference between & and + operators while concatenating string?if yes, then what is difference? And if No, then why below code generating exception?
Example:
Dim s, s1, t As String Dim i As Integer s1 = "Hello"
I am trying to combine some data into a RTB from a Database into a single RTB with formatting. Let me try and explain... In my Database I have some Fields that Contain RichText (formatted) and Some that are only Text (nvarchar) and I need to combine these into one RTB with formatting.
Using VB.net and the following LINQ statement. I suspect the "Order by" does not work with Concat(). I want to list the current item the user has and then list more available items in asending order. So first i select the current item from the db and then select the next available items in order. LINQ is ignoring the order by statement and sorting by the PK (which is itemID) I examined the list immediately after executing the statement. When I break up the statement and do them separately they work as predicted.
(From items In myDatabase.ItemAssignments _ Where items.BuildingID = buildingID _ And items.ResidentID = ResidentID _
I have filled a DVG with information and added another column to index(8) pragmatically Now i want to create a combobox with values depending on values in other cells on the same row so each row will have a combo box with different selections. below i have placed the code and hoped someone would have some input on how to approach this. i have tried datagridviewcolumn but that fills every row with the same information regaurdless of a if statement
Is it from a sight of resources reasonable to use a StringBuilder already to concat two strings or is there a minimum concatenation operations that makes the StringBuilder efficient?
Public Sub CreateXml() Dim db As New MDataContext Dim Customers = <gallery columns="3" rows="3">
[code]....
Could i mix local values with the ones returned from the LINQ query...Something like the following?
Public Sub CreateXml(ByVal **Col** As String, ByVal **Row** As String) Dim db As New MDataContext Dim Customers = <gallery columns="& **Col** &" rows="& **Row** &">
I was useing VB a lot for some years ago and now I have started again..then, think I was useing VB3 or VB4 there was a property on ComboBox and listboxes that allows only to select the values in the Combox.. Not able to write own values..
I have an XML file, and a ListView control shows the data through aDataGridView control as shown below.Now,This Japanese web site helps me understand how to get cell values.And I'm trying to populate ListBox and ComboBox with the values from ListView's Column 2.
For j As Integer = 0 To ListView1.Items.Count - 1 ComboBox1.Items.Add(ListView1.Items(j).SubItems(1).Text) Next j
I display some values in a combobox that come from an array.By default the selected index of the combobox should be the first item.
If cboAtt.Items.Count = 0 Then For i = 0 To nums(att) cboAtt.Items.Add(cat(att)(i)) Next
[code]....
This works perfectly, but now I want the combobox to display the new (initial) value that is swapped, except than when I do that the cboAtt_SelectedIndexChanged event is triggered which results to an infinite loop --> crash.
for example TextBox1.Text= 12,34,45,67,67 Dim process_string As String() = TextBox1.Text.Split(New Char() {","}) Dim process As Integer
[Code]....
i want to add values in reversed order in combobox2 that are available in combobox1 but when i run the application the second combobox remains empty and not showing any value.
When I update but do not really made any changes to the value and press the update button, the data becomes null. And it will seem that I deleted the value.I've taught of a solution, that is to add both combobox1.selectedtext and combobox1.selecteditem to the function. But it doesn't work.
combobox1.selecteditem is working when you try to alter the values when you update. But will save a null value when you don't alter the values using the combobox combobox1.selectedtext will save the data into the database even without altering.But will not save the data if you try to alter it.-And I incorporated both of them, but still only one is performing, and I think it is the one that I added first:
I'm using ms access 03 to fill a datagridview no problem. I have 4 fields(id, first, last, points), but I just want to fill one in a combobox I have. Here is what I'm using to fill the datagridview:
Dim con As New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:Documents and SettingsPC #6My Documentsstudent.mdb") Dim sql As String = "Select first,last,points from student" Dim oledbAdapter As OleDbDataAdapter Dim ds As New DataSet [Code] .....
How could I get a combobox to just display just one field, like idk if I'm explaining myself correctly, like a SQL statement look like this: Dim sql As String = "Select first from student" but just for my combobox.
