I m entering information of each person in Employee Information form and saving it in MS Access database.Now i want to Show the data of each person Individually and the information of the next person will be shown on the next button click. to do this what shall i use a crystal report or windows form.
View 5 RepliesCan i ask how do i make the data i retrieve from the database into a link?
View 18 RepliesThere are 3 textboxes->textbox1,textbox2,textbox3 and 1 button.In textbox1 bname will be stored and in textbox2 aname is stored.Bname and aname are columns of databasetable.This are not unique.There are same bnames and anames records.What I am trying to do is:when the user clicks on button then the code should match textbox1 and textbox2 with the databasetable and get the count of rows that match this data.And print the count in the textbox3.If there is no similar bname and aname in the table then the count should show 0.I tried doing this but am pretty sure that its not right as its not working.
View 1 RepliesI've got a big database driven project...15 forms 50+ input boxes and im wondering how to do it effieciently. I've got code to connect to the mysql databse but i dont want to put it inside each form over and over for every form. How can i do it so that i only have to clal one method to connect to the db or leave the db connected constantly from the start of the app. here is the code that i got to put in every form -_-
Dim conn = New MySqlConnection()
conn.ConnectionString = "server=localhost;" & "user id=root;" & "password=;" & "database=project"
Try
conn.Open()
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How can i retrieve data from sql database and put the values in textboxes?
View 7 Repliesi need to create one search box using textbox and the result will display on listbox.
I have textbox1 as inputbox, button1 as search button , listbox1 to display the value , Database1.mdb as my database.
I'm instantiating a WebBrowser object and programmatically clicking a button to navigate. Is there a way (property, method, or voodoo ritual) for me to check the browser after it lands on the new page to see 1) the form method that was used and 2) the post data?
View 3 Repliesi tried a lot of variations in my code and even sql statement but still nothing happens.. i really need to do thing messed up project of mine and put all my efforts here.. but i really can't understand why my combo box isn't showing the names of the candidates w/ that designated position.. heres my current code:
constr = "Provider=Microsoft.Jet.OLEDB.4.0; Data Source = " & Application.StartupPath & _
"SSC_Automation.mdb; Persist Security Info = False"
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i am working on a university student council voting system and what i wanted to do is when the voter selected the radio button name "Vote by Party list" automatically the names of all the partylist that are entered in the databse will be listed in the combo box and all the candidates on that Party list will be shown on the individual combo boxes made for each position..
If I am to update table 'Province' in databse get "Value of type 'Boolean' cannot be converted to 'System.Data.DataRow" Is there any other easy method to update table in Access Database?
Imports System.Data.OleDb
Public Class Form4
Inherits System.Windows.Forms.Form
Dim myadapter As New OleDbDataAdapter
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In VB.net how do you retrieve an value from a object in a different form.
eg:
' on frmMain
MsgBox ("Say ""Hello World"" Mr. " & frmOther.txtName.text)
i am new to vb.net and dont have any idea about using datareader.i am right now doing a project on vb.net and am facing an issue.i have a form, where in i have to select the matching records from the database and show it in various textfields. as far as the query execution is concerned, i have successfully completed it, but i am facing an issue now. Suppose, i have an Id of a student, and he has registered for 3 courses, when i give the query something like select students.studentid,courseid,midtermmarks,finalterm marks from marks,students where students.studentid=course.studentid;it gives me multiple records.my doubt is, when i get multiple records, and which is true(in the case a student has registered for multiple courses), how can i traverse through the resultset and fetch the values in the respective textfields.
View 1 RepliesI have a Login class with a doLogin() method which is called from a Button.OnClick() event from my Login form.If the login is successful, I then instantiate a User Class with the users details (username, first name etc.).The problem is, I don't know the best way to store this User object .I want to be able to retrieve details from this Object 'on-the-fly' from other forms, Such as UserObj.getFirstName(). And then have the ability to remove the object for when the user logs out, for example.
I really don't want to have to pass the object around to every form that would need it. That seems unnecessary and I'm sure there's a much easier and logical way.If it was possible to store objects in My.Settings, then It'd be perfect, but you can't (i think?).
I have three tables in SQL server which I would like to show and access on a form. Table 1 contains account data, address, contact details etc. Table two contains data attached to a Person, tel no , Mobile no, Email etc. Table three contains details on what awards the person holds, i.e. one person can hold several awards.
Therefore I have a one many relationship between the first two tables and a one many relationship between the second two tables. This is set up in SQL
The first two tables are shown on a form, table 1 via a set of text boxes, table 2 via a datagrid control.
I would like the functionality whereby I could select a row in the datagrid showing the persons name and find the Persons_ID number then use that as a filter to a second datagrid view so that only the selected persons awards show in the datagrid.
i want 2 select data from data gridview and want retrive that data into another form in to the textbox ...is it possible ? i 'm doing like this for that
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.[code...]
Quite a few threads on passing data from one form to another, but I'm struggling to work out how to share data between the two - back and forth.
For example:
Class1 is a class with 10 string properties
Form1 has 10 labels ("Label1", "Label2" etc) and a [Configure] button.
Form2 has 10 textboxes and a [Apply] button.
I want to load with Form1, and create an instance of Class1. Click the Configure button and load Form2, passing Class1. On Form2 I want to manually fill in the 10 textboxes and hit Apply. The Apply should update the Class1 instance and close the form.
Form1's Label controls should then be updated with the data from the Class1 instance.
I'm fine creating the forms and classes, as well as passing the class into Form2 with a custom Sub New(EmptyClass as Class1) constructor. This gets the empty class into Form2, but how can I get the populated class back to Form1?
As Form1 already exists I don't want to create a new instance with another custom Sub New(PopulatedClass as Class1)
It's also key to be able to use the Form2 multiple times, basically ending up with a Data class being displayed as part of Form1 but updated using Form2? (For example if the Class has already been created and populated with data when it's passed back to Form2 for the second time I would pre-load the Textboxes with the values already in the class).
I want to obtain the individual data in rows and columns from my database. I mean after loading the data in a data table.... I think I need some attributes of the data table, so as to obtain data from the rows and columns.
View 3 RepliesI'm new to VB.NET 2010, i have a form that has textboxes and i need to update my Database but i am failing to do so.I maged to create the login page and i can search from my db but i cannot add or insert a record.
My form has the following textboxes, Name, Surname, Username, Password and i have to insert to a table with the same columns
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Everytime i run the program and update the data in database. I got the error in this code da.Update(ds, "reservationdata") Dim dt As DataTable = ds.Tables("reservationdata") If resno.Text = "" Or custname.Text = "" Or custaddress.Text = "" Or TextBox1.Text = "" Or endTime.Text = "" Or amouttopaid.Text = "" Or InitialDeposite.Text = "" Or RemainingPayment.Text = "" Or DateTimePicker1.Text = "" Then
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I am having trouble in browse & then save an image to SQL Server.ALso I want to retrieve that image.This is the code to browse image & show it in PictureBox1 Control
Public Sub SelectImage()
With OpenFileDialog1
'.InitialDirectory = "C:"
[code]....
But don't know how to pass it to image parameter .Also is there any way that I can save image on Local drive & just save the url /location/name in database?
After using the following code, no errors are shown, but my database is not updated once i have made a change using my management system application.
Dim constring As String = Application.StartupPath.ToString() + "mydatabaseName.mdf"
Public c As String = "Data Source=.SQLEXPRESS;AttachDbFilename=" + constring + ";Integrated Security=True;User Instance=True"
Sub openConnection()
conn.ConnectionString = c
conn.Open()
End Sub
datagrid( value in combobox come from databse) the textbox of same datgrid show the value of slecete combo box no from same databsesimplyi select a item no form database in combo box of datagrid now i want textbox of datagrid show the item name related to the particular of a particular item no
View 14 Repliesi have datagrid on my interface with few columns eg. student name, address and age. on top of that there is a text box to include the group name. i want to save all the grid data into table called "groups" in access database. as an instance under group 1 all the students names and their details.
View 1 Repliesi have a calendar on a form, i am wanting to use the date clicked method so when i click on a date in the calendar amessage box will pop up and pull the informationfrom a field in the database and be displayed
View 7 Repliescan anyone give me any tutorial or guide me in building an application using vb.net which can display table from sql databse.
View 1 RepliesI have this code and whenever i try to run it, I always get an ODBCEXCEPTION WAS UNHANDLED ERROR [42000] [MySQL][ODBC 5.1 Driver][mysqld-5.0.51b-community-nt]You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'char VALUES('101','noodles')' at line 1
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I am using MS Access 2007. There are 2 tables in my database. One is for payments and other is for departments. In payments table, there is a field for departments. In my VB 2010 project, i want the departments field in the payments form to be in list box. And during the program is running, i want the option to add new departments and as soon as new department is saved, the list in payments form should also upadte.
View 3 Replieswhen i had 3 text box then i did the following code and it worked for me also:[code]in the above code ,depending on the textbox3.text,i performed all the deletion,so it was easy now i have got a three of combo box and three text box.i filled the combo box with the database entries.now i want to perform deletion depending upon the selected items of any one of the three combo box.i cant get the logic of the where portion in the delete syntax.
View 19 RepliesHow to create database in my mysql if it the database name is not currently true in mysql? Using vb.net How to check if database name is already created or available in my localhost using vb.net.
View 5 RepliesWhy my database always reset and what i had enter to the database using my application will be erased.if i dont close the application. the data will stay.
View 3 RepliesI have properly configure the database connection. I wanted to get data from the database to 2 text boxes.
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