Using Checkbox - Database Of More Than A 100 Columns
Jan 19, 2010
I have a database of more than a 100 columns, what I would like to do is to be able when I do my search query, is to be able to choose using checkboxes which data I want to appear in my result table. For example, I have master datas (name, adresses, registration, ...) and financial datas (returns, ranking, ...) and I would like to be able to have either one of these two datasets or both of them in my result table. I'm assuming that I need to use "IF" sentences (if checkbox1 is true then...) but I have been struggling integrating my sql queries in VBA. how to implement this minor thing?
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Jun 22, 2010
I am filling a datagridview with multiple columns from my oracle database. It has become necessary that I add a column with a checkbox. I figured this out.
[Code]...
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Jan 12, 2010
I built a datagridview bound to a table and added a check box column. I would like users to check a box on the rows that will be used as parameters in a stored procedure. I tried to run this to determine what boxes are checked but received an error "Conversion from string "" to type 'Boolean' is not valid." the column name for the checkbox column is called selected[code]...
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Jul 28, 2011
Here are quick scenarios: there are two chkbox columns "Parent" and "Child" In the Parent Column, you're only allowed to choose ONE chkbox AND the chosen chkbox in the PARENT shouldn't be available to check in the CHILD chkbox, while in the child you're allowed to choose as many as you want.
The selected records (checked chkboxes) should be transfered in the database after clicking the Consolidate Button.
[Code]...
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Oct 15, 2009
I am using the following code to alter an table imported from an Excel spreadsheet
Dim SQL As String = "ALTER TABLE receipts ADD payee integer, account integer, category integer, reconciled boolean"
Dim dataread As New OleDb.OleDbCommand()
dataread.Connection = Connection1
[code]....
Both ExecuteNonQuery() actions yields the exception message {"Syntax error in field definition."}The error message does not happen with the first if the boolean column is not there (I tried Tes/No as a definition - but that also failed.The second query to modify the ID column from autonumber to integer I assume fails because it is a Primary KeyHas?
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Jul 24, 2011
is it possible to get a list of checkbox items from the database?
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Dec 28, 2011
I' m trying to insert a record into a postgresql table. This table contains a boolean field too. But I can't figure out, how to insert the row in the table. I' ve trouble with the boolean field. I have a checkbox and want to pass his value to the field. But I get the error: invalid input syntax for type boolean: "".I tried it wiht 1 and 0, wiht true and false, but no succes. Here is the code:
pg_command.Parameters.Clear()
pg_command.Parameters.AddWithValue("@modulkod", kov_modulid)
pg_command.Parameters.AddWithValue("@modulnev", txtmodulnev.Text)
[code]....
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May 20, 2010
I have the following query which inserts values from a form to sql database. I have checkbox (chkactive)which will be checked onload and I want to send a true value to the respective field in the database. This doesnt work any help pls.. Instead it inserts a false value eventhough the chkactive is checked.. Why doesnt it insert a True value??
query = "INSERT INTO dbo.tblProjects (ProjectDesc,ProjectTypeID, ISACProtocol, ClientOrg_OrganisationID, ClientNme_EnquirerID, LeadPerson_StaffID, StartDt, CompletionDt, FullFee, PartFee, projectstatus) VALUES ('" & _
txtProdesc.Text & "', '" & _
txtprojtypenw.Text & "', '" & _
[code]....
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Aug 22, 2011
I have four check box's that I want to use. When they are checked, it should populate the datagridview with the data in my database. This is what I'm using:
If CheckBox1.Checked Then
Me.DataGridView1.DataSource = Me.BindingSource1("select * from table1")
ElseIf CheckBox2.Checked Then
[code].....
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May 24, 2012
I'm creating a program which navigates through a tree-like structure. There are lots of items with a single 'parent' and many 'children'.
Using a SQL database, I've got all of the items information stored, but I'm struggling with how to hold the IDs for each Items children.
For example:
A: no parents, Children: B, C, D
B: Parent: A, Children E, F, G, H
F: Parent: B, Children: J, K, L, M
Where each item will have hundreds of children, for which I don't really want a column for each child...
Is there a simple (or more complicated) way to hold and retrieve a large number of integers within one column... i.e. as some kind of sub-database, or an array with the column??
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Nov 23, 2011
I have a datagridview.. It is unbound to any database and has 2 columns..1 is item name and other is amount/expense, incurred..I want the total of expense incurred be displayed in the textbox on button click ie adding the numbers in amount column..
[Code]...
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Jun 19, 2009
I'm having an issue with using code to update a program that's trying to save data to a database. The problem is where I have found many answers on restricting the number of rows updated. All data that I have is on a single row in the database. Here's the code that's absolu
[Code]...
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Apr 6, 2009
i have a checkbox in gridview.
<asp:CheckBox ID="chkStatus"
runat="server"
Checked='<%#GetStatus(Eval("VaccinationCompletedStatus"))
[code].....
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Apr 30, 2011
On a Windows form I have a checkbox bound to a datatable. In the CheckedChanged event I do .EndEdit on the bindingsource and then .Update on the tableadapter. At runtime this gives an error: "Data Table internal index is corrupted: '5'.
If I change to the Validated event, there is no error, but the new state is not sent to the data base untill focus is subsequently lost, which is a problem. So how am I supposed to get the new state of the checkbox written to the database when the checkbox state changes?
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Sep 23, 2009
i am currently doing a project on a marking program..I have to total up the marks for question B1 to C2 and compute the sum to 'Total' column.
Table name is 'Student'
Database name is 'Database1'
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Nov 7, 2011
I have a student database in ms-access format with 3 tables
1) class ( classid, classname)
2) subjects ( subjectid, classid, subjectname)
3) students (studentid, classid, studentname)
now i want to create a form to enter exam marks for the students in the following manner:
studentid, studentname, classname, subjectname1, subjectname2, subjectname3, .... subjectname-n
1, student1, class1, marks, marks, marks, marks, marks
2, student2, class2, marks, marks, marks, marks, marks
3, student3, class3, marks, marks, marks, marks, marks
how i can i convert subjectname from row to column and how to write a new table to store exam marks for this purpose.
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Dec 3, 2009
i have an ACCESS database with 3 columns. I establish the connection with the VB 2008 Express and put the data in the form but i don't know how to add the text of a textbox in the database.
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Jan 8, 2010
how do i get info from 2 different columns in an Access database and put them together in a drop down menu. (i know how to get data so that i can see it in just a textbox but i dont know how to put 2 data together and then display in a drop down.
another question is how do i save info that has been changed back into the access database i got it from
last question- how do i make a textbox only take numbers
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Mar 23, 2010
I created a database in my project, and added a table and some columns to it. Now after making several changes to the program I decided to add some more columns, but for some reason those new columns don't show up in the SQL query builder or the database explorer. I realize that this is an oversimplified explanation
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May 11, 2009
I have this code here:
[Code]...
I know there is MyDataTable.columns How can I get it to put the columns into a ComboBox so i can select them?
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May 8, 2012
I have limited knowledge on VB coding. I am now creating a system which allow customer to select exhibition event and booth number they want and next reserved which day they want to rent.By default, in GridView control can add checkbox Field but it only generate 1 checkbox for 1 row of data.
As state in the title, I have no idea how to generate the checkboxes for every field in database call D1,D2,D3,D4,D5,D6 and D7, each carry value 0 by default.Now I want every single field have a checkbox to allow customer select which day they want to reserve and retrieve their checked value to stole into corresponding D1-D7 field, checked value will update value 0 to 1.Next, how should I coding to store the checked value into database? in default.aspx or default.aspx.vb? generate checkbox instead of using gridview?What I want
My coding:
<%@ Page Language="VB" MasterPageFile="~/MasterPageMember.master" AutoEventWireup="false" CodeFile="member_view_event_list.aspx.vb" Inherits="member_view_event_list" title="Untitled Page" %>
<asp:Content ID="Content1" ContentPlaceHolderID="head" Runat="Server">[code].....
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May 9, 2012
I want to generate checkbox field using GridView and system will calculate how many field to display according to number of totalDay. If totalDay stored in database is 7, so upon calling the eventID it will generate 7 checkboxes, D1-D7 checkboxes field will appear; if totalDay is 5, it will generate 5 checkboxes, D1-D5 checkboxes field will appear.
In PHP, I manage to auto generate number of D field I want according to value totalDay. But I do not know how to code in VB. The PC Fair Event has duration 7 days, so it will display 7 checkboxes after user select event and booth to book: The Carnival 2012 has duration 5 days, so it will display 5 checkboxes after user select event and booth to book:
The code in PHP which can generate the checkbox:
$query = "select * from booths, eventinfo where booths.eventID=eventinfo.eventID && booths.eventID = ".$id."";
$_SESSION['EVENT_ID']=$id;
$result = mysql_query($query);
$result2= mysql_query($query);
[Code] .....
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Mar 5, 2009
How do you insert a checkbox with the data from the database in a datagrid?
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Mar 9, 2011
Read Textbox and CheckBox for Update Access 2003 Database
My Code is:
Dim cnString As String = "Provider=Microsoft.Jet.OLEDB.4.0;Persist Security Info=False;Data Source=ChemiBas.mdb;Jet OLEDB:Database Password=1"
Dim con As OleDbConnection = New OleDbConnection(cnString)
Dim command As New OleDbCommand
command.Connection = con
[Code] .....
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Apr 19, 2012
I use this code to save entries from my vb.net form to an Access 2k3 DB[code]...
The code works fine for TextBoxes and ComboBoxes, but, for CheckBoxes and RadioBoxes I don't know what to put instead of .Text?
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Sep 15, 2011
i am working on a window based student registration project using vs2008 and ms access database.what i have to do is to register students for main or comptt. exam according to the course they are in.The students are shown in a datagridview as per the course generated by populating comboboxes.i have checkboxes for main and comptt exam on the form.i want checkbox column in datagridview to select students either for main exam or comptt exam It means when i check say main exam checkbox and check some students or use "select all" checkbox to select them all,those students must be registered for main exam by updating the field "status" in database table by clicking a button.The updated value should be 1 for main exam and 2 for comptt. exam.i have generated the grid but now unable to register
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Jun 27, 2009
-in my database..there are 2 tables..
1)Leave_application
2)Staff
-how do i type the code to minus out the number from "Leave_balance" (in the Staff table) with the number from "Days_apply" (in Leave_application table) eg: 10 days (from "Leave_balance" Staff_ID "S0001") - 2 days (from "Days_apply" ID "abc") = 8 days and then update the "Leave_balance" of staff_ID "S0001" with 8 days
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Dec 11, 2010
how to disabled and uncheck the checkbox values from database fields.. if i have entry in my database records as :
[Code]...
I want on page load event the default date for todays is 11-Dec-2010 then checkbox1, checkbox2, checkbox3, checkbox4 will be disabled and unchecked state for 11-Dec-2010 as you see on the above database structure the seats for 11-Dec-2010 is 1,2,3,4 so the chekbox1, checkbox2, checkbox3, checkbox4 will be disabled... I wanna this code snippet in VB.NET
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Jun 30, 2012
I am reading a record from a database into a datagridview.I have changed the column "ComputerAwareness" from a textbox column to a combobox column.This column is at the 21st position in the database but after changing it to a combobox in datagridview it is diplayed as the first column in the datagridview.How can I keep the position of this column same as in the database?I have googled a lot for the solution and tried all the possible ways but none seem to work.One of the ways I tried is in the code below.
Private Sub DisplayButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles DisplayButton.Click
Dim cs As String = "Provider=Microsoft.ACE.OLEDB.12.0 ;Data Source=C:\Users
[Code].....
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Jun 5, 2011
I am currently using microsoft access 2007 and vb.net 2008. The problem senario is this: I have a database-table that contains two columns, items, and the price of each item. I tried to drag this table to the form as a checkbox tool, but only one checkbox1 was diplayed. The table consists of four rows. My requirement is when I drag the checkbox I want to see the all items in the first column, i.e. four checkboxes that hold the same name as in the table in the database, and when I check one or more items to be able to use, in somehow, the price(s) to make some kind of calculations.
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