Use Datagridview / List-boxes Or Something Else To Display Records
Apr 25, 2012
I have created a database with a couple of records to get started, also I have attemted to implement the database in my forms. I want to add, delete, edit and save new records into the database so when I use it or re open the program the entered data will still be there. Also, after I have implemented these things, I would like to be able to import data from the database into textfields or comboboxes. I have a basic email client and I would like to import these contacts into the datafields. However, I will be trying to achieve that later.I am trying not to use the data connection wizards as I am learning the code as I go along. I have been reading up on databases for about 2 days not and i'm still struggling.This is to add contacts with the fields.I have 7 labels with text boxes, using the naming convention lblFName or txtFName etc;
-First Name,
-Last Name,
-Nickname,
-Email,
-Phone number,
-Address and
-DOB
I have 4 buttons;
-Add record
-Delete record
-Save record
-Next record
-Previous record
I don't know whether to use datagridview, listboxes or something else to display the records.This is to give you an idea of what I have done so far.However, I cannot find a way; despite my best efforts over the last 5 days to link the database that is located in the same folder as my program.If anyone could point me in the right direction on how to code this into my program, or post some links of which I can read, learn and understand the code.
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Jun 6, 2011
I am creating an application which will allow users to search parents names and display their childen respectively in a datagrid.I have created a form with two text boxes, a search button and a datagrid. The two text boxes are txtFName.text and txtLName.Text. On clicking btnSearch I want to be able to run a search to the SQL database for specific records.So far I have been sucessful in doing so with a listbox but I would prefer to have the data populating in a datagrid as it is more cleaner.
Here is the working code for displaying searched data in a listbox: Private Sub btnSearch_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSearch.Click
[Code]...
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Aug 13, 2009
I am trying to read data from a text file that will be displayed in the below format:
usernameassword
username1assword1
username2assword2
What i want to be able to do is read each line of the text fine and then split the text where the colon character is and display what is in front of the colon in listbox1, and what is after the colon in listbox2?
[Code]...
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Mar 30, 2011
How to query a record in vb.net using combo or textbox via linq to sql like the search engine? Just like when you search in google or youtube, once you typed in the initial string on the textbox or combo box it will show a drop-down list. I tried to use it in my application using linq method but the problem is it would duplicate on the first string that you entered on the dropdown list if that record exist on your database after you press the space key. I used the code below which duplicates the records on the drop-down list when you type in your string after the space key.
I just want it to be like in any search engine that when you type in the string or your initial string, it will display on the drop-down list all the records from the database that contains the string you entered without duplication. In my case, I'm trying to query a name from my database. This is how it should work, For example, if you type an initial string in the textbox or combo box a named 'Mark', it should display all the names from the database containing 'Mark' into the drop-down list before it changes into its final string that you entered.
Here is the codes I used:
Private Sub ComboBox1_TextChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles
ComboBox1.TextChanged
Dim db As New MultipleDatabaseOperationDataContext
Dim search As String
search = ComboBox1.Text
[Code] .....
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May 22, 2011
I want to display the correct records in my SectionName dropdown list whenever the user select/check an radio button (Elem or HS). No radio button is checked during design time but when I run the app, the SectionName dropdown list show Elem records. also when I checked the HS radio button the SectionName dropdown list records does not changed at all..
Private Sub frmLoading_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
If cnn.State = ConnectionState.Closed Then cnn.Open()
[Code]....
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Apr 28, 2010
I want to get an input from the textbox, and display the records into the datagridview, But is it possible If no records, the datagridview shows only empty cells?
This is the code to display records.
con1.Open()
sqlsearch = "SELECT * FROM setting WHERE mname LIKE'%" &
TextBox1.Text & "%'"
Dim adapter As New OleDbDataAdapter(sqlsearch, con1)
Dim dt As New DataTable("setting")
adapter.Fill(dt)
Form2.DataGridView1.DataSource = dt
con1.Close()
RefreshDGV()
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Jun 29, 2010
I managed to displayed records from two tables in one datagridview and the first column being a combobox. Now, I would like to get those records displayed and save it to another table. this what I did.
For i As Integer = 0 To dtgLoad.Rows.Count - 1
Using command As New SqlCommand("INSERT INTO tblteachersload (Teacher ,SubjectName) " & _
"VALUES (@Teacher, @Subject)", cnn)
With command.Parameters
.AddWithValue("@Teacher", Me.dtgLoad("Column1", 0).Value)
[Code] ......
I would like to loop through the records of the datagridview and then save the same to a table.
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Feb 23, 2012
I am using Visual Basic 2010
i have three tables
Table Names are Students, Customers, Members
fields in Students Table Like Below
StudentID
StudentName
StudentAddress
StudentMobile
[Code].....
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May 22, 2012
I am developing a program that makes it easier for users to log on to a website and search for specific data. I have the first portion finished in which I have a form with the Ax Web Browser control.
The web browser control navigates to a local website and automatically logs in for the end user. This is done by using code which automatically fills in the username and password and then submits the form to logon using something similar to this: WebBrowser1.Document.Forms.Item(, 0).elements("txtUsername").value = "user"
Once logged on - there is a search page which contains a combo box and list box. I am trying to set specific values for the combo box and list boxes.For example - the combo box on the website is titled: cbxDate and contains the following values: Today, Yesterday, This Week, This Month.
A list box titled: lstArea contains the following values: Zone A, Zone B, Zone C, All.I am trying to figure out if there is a way through code to select, in this example, "Yesterday" in the cbxDate and "Zone B" in the lstArea on the webpage.If anyone knows of a solution, please feel free to let me know. Be advised that I am using the Ax Web Browser Control.
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Mar 20, 2009
what is the syntax to clear a combo box and also a list box?
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Feb 9, 2010
I want to search the records from the textbox and display the records to the datagridview, if there are no records, just display empty on the datagridview.
this is not working:
Dim sqlsearch As String
sqlsearch = "SELECT * FROM setting WHERE mname LIKE '%" & TextBox.Text
[code].....
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Dec 30, 2010
This is what I'm sure will be the first of many noob-ish questions from yours truly... I'm studying as a mature student for a Computing Degree (encompassing web design, hardware, programming and systems analysis). The programming seems to be my weak spot this year. I enjoyed C++ last year, doing basic console applications, but progamming visually with VB in Visual Studio 2008 I'm struggling!
[Code].....
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Mar 16, 2011
This program is supposed to allow the user to check items in a checked list box. If the item is checked, it goes into the Completed List Box on the right. The program then adds the unchecked items to the Pending list box on the left. I keep getting placement values (e.g. O,1,2) instead of the strings (e.g. "Key Returned") in the list box results (see photo attached)
Public Class frmCheckOut
Dim i As Integer
Dim cleaning As String = "Cleaning Inspection"
Dim damage As String = "Damage Repaired"
[code].....
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Jan 31, 2012
I am creating an application with html using vb as the back end. Microsoft Visual Studio is the application I am using.I have two drop down boxes...one called department, the other program. When a department is selected, I want the program dropdown to only display the programs that are associated with the department chosen. I have found several different codes to do this but nothing has worked so far.
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Mar 11, 2010
I want to search the records from the textbox and display the records to the datagridview, if there are no records, just display empty on the datagridview.[code]
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Sep 14, 2009
I'm designing a windows application in visual studio 2008 and connecting to oracle 10g XE but don't know how to add, update and delete records from my database using text boxes.
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Jul 4, 2010
I am using a Class_SQL that gets the table, creates the DataAdapter and DataTable.I have a combobox named cboFullname. I can fill the combobox with data from the database, ie: Dim sqlcmdtext As String = "SELECT *, Firstname + ' ' + Surname AS Fullname From Contacts". I can display full records in a datagridview.
I would like to be able to select a name from the combobox and have the record text boxes display the data and be changed with the cbofullname index changed subroutine. Here is my current code to date:
Public Class frmMain Private Sub frmMain_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
[Code]...
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Nov 28, 2009
Add Check Boxes Into A List Box?[code]...
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Dec 14, 2009
I'm new to visual basic and I've put all forths of effort towards this program and I can't get it to work. I know one reason is I don't know how to add my choices to the first two list boxes.
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim RegistrationFee As Integer
Dim LodgingFee As Integer
Dim Days As Integer
[Code]...
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Nov 30, 2009
I am trying to create a WPF browser application that allows you to search and display recipes. The combo box presents choices, the Ingredients display in one list box and the "cooking" instructions appear in the other list box. What's happening is the first time you make a selection from the combobox nothing displays, and this could be happening because the first line of code under Selectionchanged clears the List Boxes however, it should be populating those list boxes with content, shouldn't it? Anyway, as you make other selections List boxes 1 & 2 get populated but they do not match what displays in the Combo box, i.e. if you select "Easy Taco Dip" any random recipe might appear in List Boxes 1 & 2.
Option Explicit On
Class Page1
'User Makes a selection from the ComboBox which populates List Boxes 1 & 2
[Code].....
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Feb 7, 2009
I have a listbox on my form which will contain say ten file paths. (10 items in the listbox's item collection)now i want to use the For Each next loop as below
Quote:
For Each Item in mylistbox.Items
performactionon(item.tostring)
[code]......
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Jan 7, 2011
I have two list boxes created. One is Quantity and other is Price. When i enter price and quantity i want it to multiply and add one by one and give me the total in a label below...The problem is when I have two or more items in each list box I'm unable to come up with the total. I figured out that it will need a loop. So my question is that how should i use the loop. I haven't learn't how to make loops..
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Apr 29, 2011
can i use the private sub validate with list boxes to ensure selection and how? Sometimes the answer is so blindingly obvious i fail to see it.
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Mar 25, 2012
I have an assignment where Im supposed to make a compound calculator which displays interest earned each year (e.g. next 10 years) as well as the total amount for those years. Im having difficulties in writing the code for the calculation.I know the formula and how it works but Im not entirely sure how to use it in VB
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Dec 5, 2011
The project was to modify a previous payroll system project, which had a base class(employee) and 3 derived classes(salary, commision,and base + commission) under it by adding 2 more derived classes(piecework and hourly).Before I stated the modification, everything worked fine. When I would run the program the 3 types of employees would display in each output text box. The same thing is supposed to happen after I added the 2 additional types of employees, but now when I run the program, both output text boxes are completely blank. I'm not sure why I can't get anything to display in my 2 output boxes and all of the coding looks correct to me.
Polymorphism test
' PolymorphismTest.vb
' Employee hierarchy test program.[code]............
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Feb 28, 2012
Cannot get list box to display each increment and cannot get data to save correctly in order to display.
Public Class Projectile_Motion
Dim initialHeight As Double ' Holds beginning height
Dim initialVelocity As Double ' holds velocity
[code]....
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Jan 31, 2012
I am surely a new self-learner programmer using VB 2010 Express edition and I have a problem on writing my first code. I have designed my form and I only want to add code as events. The IDE already adds the methods when I double-clicked the button which I want to add the code on.
This question may be good on the IDE forum, but I just thought to ask it here because there may be more experts here on VB language functions. I have added the MenuSctripItems such as File, Edit and so on. How do I write the code for New, Open, Save, etc under file menu? It may sound boring or even silly, but I am here to learn and your contribution is both for me, you and the MSDN.
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Oct 19, 2010
I'm using the free version on Visual Basic 2008 (through school).The assignment is to populate a list box from user input text. The textbook only talks about populating a list of known items.ex animalListBox.Items.Add("dog") Which works just fine, however, we don't know what the user will input.
So, how should I be thinking about this?
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Mar 21, 2012
If I'm trying to output to a listbox, what is the easiest way I can enter a string and then a variable on the same line? I'm trying to use listbox1.Items.Add(...). Obviously outputting a string is no problem and outputting a variable is no problem, but I want to add a string and then a variable after the string. For instance:
name = "Joe Smith"
listbox1.Items.Add("Name: ", name) [or something like this]
[Output] Name: Joe Smith
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May 2, 2011
I have a checked list box with lots of values and i need it so that when one of the items is ticked that a different box will display a value ie 50 so for instance i think it would be along the lines of
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