Query Access Database And Display Data On New Form?
Sep 6, 2010
I have a program in which I want to have the user enter two percentages and display the data matching the criteria on a new form. The query would be:
Select *
From Corrosion
Where corrpct1 >= {column in database} OR
corrpct2 >= {column in database}
The way I currently have it written is to display only one row of data. I need to display any number of rows that meet this criteria. My current code is:
Private Sub btnDetails_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDetails.Click
Dim form As New frmDetails()
Me.Hide()
[code]....
1. How can I do my query to incorporate the user entered criteria (in the where statement)?
2. How can I display ALL of the data instead of just one line?
I'm creating a rewards system for school where pupil earn points for good behavior which they can then use to purchase things like a packet of pens. (They can also have points deducted for bad behavior). I've created all the forms and now its just getting the data in from the Access database. This is what I need to do. On my form called detailsPupil it shows various information such as Name, email address, last login etc. This form is loaded once the pupil has logged in.
Private Sub btnLogin_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnLogin.Click Dim Login = Me.StudentTableAdapter1.UsernamePasswordString(txtUsername.Text, txtPassword.Text, cboPermissions.Text) If Login Is Nothing Then MsgBox("Incorrect Username or Password") [Code] .....
That all works but I'm having problems working out how to get the information like Name and email address into their places. This is what I have so far on my detailsPupil form. Public Class detailsPupil Private Sub btnLogOut_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnLogOut.Click Login.Show() [Code] .....
So to sum up I need to run a query which searches the DB using the Username which is obtained from the login form and then displays the Student Name in txtName, Email address in txtEmail etc...
It's simple question. I am confused since I am new to vb.net and windows form. I would like to display combining of one column (lastname+firstname) in the list box control from the query. My code display something.
I am doing project now.i am a beginner for vb.net. I display data from ms access database to datagridview.Now i want add Button in Datagridview in one coloumn and when i click the button it will display the particular record and i want to display the diagram for that data. I am using filter.but it doesn't work.my code is
how to search MS access database using vb.net to display my data from differ i have use this code by it not function. i want to search database using a button and a textbox.. but when i insert a column header of my database into the textbox, it can't show me all data from database.
Protected Sub cmdSearch_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles cmdSearch.Click Dim InputStr As String = txtsearch .Text
my form have a datafridview to display my datatable in my access database. and my database have 3 tables.in my database have "computer","booking status"," reservation" and this 3 tables are link together. which my parent table is "computer", then we can level in then we can see the "booking status", and then we can level in and see the "reservation"
so now i have a problem of this. i want to show them in a relationship view (or should i said it as parent and child relationship) just like we view in access database. can it be done? if can how i gonna do it. and how i gonna code for that?
I am using the tutorial posted here for my database testing. I have gotten it to display the data using a messagebox but it just goes through them 1 by one. I want it to display all the data from the database in a table on my form.
Using connection As New SqlClient.SqlConnection("Server=71.200.87.112MySQLExpress; Database=database_test;User ID=sa;Password=greddy6;Trusted_Connection=False;")[cod
I am trying to retrieve information from one row that has four columns(name,company,address,phone) so that once it is displayed in 4 different textboxes, I can transfer to a word document.
I am connecting to an Access database and using a parameter query with the LIKE operator to return all rows that match query. The string to search for is taken from a Textbox
sql =
"Select * FROM Allview WHERE Info Like" & "*" & CStr(TextBox1.Text) & "*" The query does not return any data in vb, but when run from access with same string, there is data returned.The connection to the database is done correctly, as I am able to return data with various other queries.
Partial code : Dim con As New OleDb.OleDbConnection[code]....
I am facing a problem displaying the records of my table on the visual basic form I have created.
This is my code :
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click myconnection = New SqlConnection("server=HOME-PCSQLEXPRESS;uid=sa;pwd=123;database=college")
[Code]....
Note: my database name is "college" , table name is "demo3" . Table contains 2 columns namely name and roll no. How to display the data in those columns on the visual basic form that I have created ?
I'm reading data from a .mdb access database to a form in my app. However the text is sometimes becoming scrambled as shown belowDatabase:Quote:The resistance of a 2.5mmonductor of length 8m and resistivity p = 1.72
i have a basic form in vb using .net framework 3.5,when the save button is clicked, it should update the data from the form to the access 2007 database,however, the whole thing runs up to the point in bold,
here it says that "The ConnectionString property has not been initialized" Private Sub Holiday_BookingBindingNavigatorSaveItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Holiday_BookingBindingNavigatorSaveItem.Click
I can save my data to access database and in the access database field I set it to date/time.But problem is when I get the value out from the database.. the format is always month/day/year hour:minutes:seconds example today: 5/2/2011 12:00:00..How to get the value into listview becoming May/2/2011 without the hour..Here's my code to get it from database ListView1.Items(i).SubItems.Add(dt.Rows(i)(14).ToString).The second problem is.When I would like to edit, how can the datetimepicker get the listview value ? [code] info: using access 2003 (.mdb) the Date of Birth field has been set into Date/Time.
I got a system which i want to insert, delete, update the data into my database and the data from database will be display using datagrid. The below is the coding for one of my button, delete.
Private Sub btnDelete_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDelete.Click Try btnSearchEmpNo.Enabled = False[code].....
Now I wanna set when user click on this button to delete a employee (for example) then the datagrid that i have in my application will not show the data of the deleted employee but in the background, the employee haven't been deleted from database.The employee only will be deleted from database when the user click on SAVE button.I know this application have to use RowState but how?
I am facing a problem displaying the result of my "select *" query on the form . Here is my code:
[code]...
But when I write this code and run my form I am not able to see any records present in my database tables being displayed on my form. I have inserted a DataGridView on my form . What changes should I do to my code ?
I am having a problem with the project I am working on. The project will have more than one query; however, I cannot get the simple one to work yet. I have a form with two text boxes and a button. I also have an Access database that I want to be able to connect and query to.
The database will have fields such as student name, address, test1 and test2. I want the form to allow a user to put in scores for test1 and test2 in TextBox1 and TextBox2, then query the database to say
I have created an access database which i want to search with vb.net, I tried a few thing but it didnt work as desired.
Firstly the program is suppose to display items in the database base on the criteria selected by the user. what i've succefssfully done so far is I've added a datagrid 2 combobox, 1 (searchcbo) with the columns in the database and the other (searchcbo1) will autoload the items under the column selected in and a button (searchbtn) but i have no clue of the code to put in the button. i also tried the fill method but that didnt work as i wanted to. ultimately i want a combobox with the list of columns and a textbox to enter criteria and of course a search button.
The searchbtn should act as the "WHERE" sql command, e.g. SELECT EmployeeNumber, Firstname, LastName, Phone, Location....etc FROM CallLog WHERE searchcbo.text = searchcbo1.text And display the results in the datagrid.
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load 'TODO: This line of code loads data into the 'CallLogDataSet.CallLog' table. You can move, or remove it, as needed. Me.CallLogTableAdapter.Fill(Me.CallLogDataSet.CallLog)
I created a Query in a database in Access. I want to attach it to a DataGridView in VB2010. I then went to VB and connected to a Database. Then I dragged a DataGridView onto the form. Up came a pop-up menu. I Clicked on Choose Datasource, Add a DataSource,clicked on all the next buttons, selected Tables and Views checkboxes and clicked finish.In the next view up pops a menu that lists my Database and it's tables, but not the created Query. The Query does exist in the Database and I am accessing the correct version.
I have an application that uses an *.accdb file as the back-end database. Connecting to and retrieving data from the access file is not an issue and is working quite well. However, as a precaution, I have the application first check to make sure the database file exists in the application's folder while it loads up. As a convenience, if the database file is not found, then the application creates a new (structured, yet empty) database. The creation of the actual *.accdb file and the creation of the tables is complete and is also working well.
I am using MS access 2003 and Visual Basic.net 2010. I have made a query with the SQl code below. I have set my search button's click to fillbylastname which is my query name. My question is, how do I get it search my database with textbox2's text?uery:WHERE ([Last Name] LIKE '@LastName = %')
I need to display data from a complex sql query controlled by 2 combos. The sql main query part is working fine but I cannot get to link the combos to the query. On form load I load combo1 by means of a sub. Then with SelectedIndexChanged I load the combo2. Both combos load fine by do not intereact with eachothers meaning combo1 doen't filter out combo2's information.
I am using a query in vb.net, database is Access. I need alias of query like sql but the query return me column alias and also ' ' SELECT COLUMN1 AS 'FIRST NAME' I expect the result to be a field called FIRST NAME but it returns the string "FIRST NAME". Is there is any way if return me the field FIRST NAME instead of "FIRST NAME".
I am trying to import data from an access database to a access database that my project uses I am having problems with combo box fields in the database with the data. I want to import what is displayed instead of the numerical key value. Example: The combo box displays employee names but the value stored is the key value from the employee table so instead of importing John Doe it imports 2 is there a way to make the actual name instead of the number?
