I have a data table of 96 rows each of which displays sensor readings taken at 15 min intervals during the day.I would like to navigate this table using the trackbar.
I dont really understand how to do this. I have googled and experimented but havn't workied it out.
im working on views that can help me navigate through records in a table. i have managed to execute an sql string to select the table i.e "select * from Users".i however want to build a "Previous" and "Next" command on the view but im mixed up on the navigation [code] Now all i need is code for going forward or backwards to a record.
View 1 RepliesI have a form that is used to navigate through records in a table one at a time. The form generates the number of textboxes required automatically. Navigating through the records is easy enough, but when I click the update button it comes up with the error: Object reference not set to an instance of an object.
Here is the code I have for when the Update button is clicked:
Dim con As New MySqlConnection
Dim da As New MySqlDataAdapter
Dim Query As New MySqlCommand
[Code]......
I have a form with two web browsers. I have webbrowser1 navigate to a parent url and webrowser2 navigate to child url.
The page in webbrowser2 loads correctly but when I make a change to an element it doesn't also change the value in webbrowser1 as it should.
Should I be looking at cookies or something else?
I am using vb.net and ms-access for small application . I have a problem in navigating previous record. No error message but not data displayed.[code]...
View 1 RepliesI converted a program from vb6 to vb.net, I used a propertybag to clone my recordsets and after I would filter them to navigate threw my data and then show the result in a gridview, but I have a problem in vb.net with my filter.In vb6 the program would go through my data, but in .net it stays on the same data and it goes into an infinite loop.My problem is to arrange my filter so that it can [code].....
View 3 RepliesI want to make something that can on button click navigate to a page, wait the time I specified and navigate to another page..
[CODE...]
This does not do what I thought it would do..I think that the problem is that when it sees System.Threading.Thread.Sleep(5000) everything stops for 5 secs .How can I make it go to google.com and then after 5 seconds, yahoo?
i tried my level best to achieve my task i have succeeded to pull the current row from datagrid to textbox but can not move to the next or previous record
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
[code].....
I use the webbrowser control to navigate to certain websites and login and retrieve some data. For that I created a sub for each website. On the form i have a button that calls every sub when clicked. The problem is that I don't know how to pause or stop the process once started. If I quit the program it will still run in the background until all calls complete. I tried to use a thread, but that doesn't go well with the webbrowser control.
View 15 RepliesHere's the situation: I need to navigate to a list of sites and retrieve data from them; I know how to retrieve the data, but I'm unsure of the best way to navigate to each of these sites.
[Code]...
I would like for my program to navigate via textbox1.text with multiple lines and multiple url links inside of it. I know how to make the webbrowser1.navigate via textbox1.text with multiple lines, however I want my webbrowser to navigate to each url every 1-1.5 seconds once button1 is clicked. Yes, my webbrowser1 will navigate to the specified urls via the textbox1.text (multilines) with a button click, but I need the webbrowser1 to navigate in a order sequence from top to bottom of Textbox1.text (multiplelines) every 1 second. Here is the current code that I have to navigate via multilined textbox1.text control in order sequence:
[Code]...
I have three table and I want to put the three table's data in one variable and from that variable i will produce the datatable and then want to write the data in CSV file.I am Following this step..
Void
GetDetails()
DataClasses1DataContext
[code].....
I have a login form that consists of 2 text boxes: txtUser, txtPass. Now these are not bound to any data table & I don't what them to be bound. When a new user enters his user name & password, I want to add these on a data table that has two columns: User, Pass. Data table information: Data Source = Login.accdb, Data table = LoginTable, Connection = LoginCn. I use visual basic 2010. So how do I do this?
View 1 RepliesI have this code to edit the datarow of my table adapter but t doesnt update the table. I think i have a missing code that's why but i cant figured it out. by the way im using vb2008 and SQL as my database. [code]
View 3 RepliesI currently have this working already for one of my combo box's, but when i try to use the same code i get this error ''There is no row at position 6.'' . The are 2 fields in the table asset_type_id, asset_type_name', im trying to dispaly the values in a combo box for the field 'asset_type_name.
the code for ' Friend Sub RetrieveCustomerInformation2()' works but the other friend sub throws the error.
Imports System.Data.SqlClient
Imports System.Data
Imports System
Imports System.Data.OleDb
[Code]...
While am using the below code it was throwing an exception update unable to find table mapping [Customer] or data table customer.
[code]...
I have 1 access database with 3 tables How do I make the combobox get data from one table and input it to another table?ex.I have a table with all my Carriers and another table with jobs that are assigned to Carriers?
View 3 Repliesi have a combobox on the form and a datagrid viewer .no i want to display the table which selected on combo box..
View 1 RepliesI have a form that fills a table adapter with this:
Me.Scratchpad3TableAdapter.Fill(Me.MDRDataSet.scra tchpad3
and what I'd like to do is when users edit something on this form that they post the changes to a table called exceptionsedit which is not part of that dataset. What I don't know how to do is to how to insert those edits to the exceptionsedit table.
i need to copy all the rows with data from a existing table to other existing table through button click
View 13 RepliesI am using Visual Studio 2008 and Sql Server 2005
I want to update a table using values from other table I have written a query but it is giving error
"Cannot insert the value NULL into column 'Quantity', table 'Stationarymgmt.dbo.Item_Master'; column does not allow nulls. UPDATE fails."
temp table has following columns
Item_Code,
Quantity,
[Code]....
Currently using VB 2008 with MS Access 2003.I have Two Tables with Names - " Company_Data" & "User_Data" in which i have the following columns.....
Company_Data
Name|Age|Department|Salary
User_Data
Name|Age|Department|Updated On
Now, Is there any code that can do the following:when i select a name in the combo box on the form (The list in the combo box is from the Name in the Company_Data table) and click update.It should copy the Details of the Record from Company_Data to User_Data with the current date in "Updated on" column. Note that the columns are not exactly Same. (Salary is not necessary in the User_Data)?
I want to copy Header Data from one table to another. I know how to do this if the table data is exactly the same, but I need to generate a new HeaderKey for the destination table.Example - I am copying SalesOrder Header Data into the PickList Header Table, but I need to also add a PickListHeaderKey when I do so. It cannot be the SalesOrderHeaderKey which will be copied also.
Source Table (Sales Order)
DestinationTable (PickListHeaderTable)
SalesOrderHeaderKey [code]....
How can I edit this command to include the PickListHeaderKey, which needs to be inserted at the same time or before the rest of the data is copied?
I really need your help. I want to query in a table in MS SQL using a data in another table.This is the query I've constructed : "SELECT TABLE1.FIELD1,TABLE1.FIELD2 FROM TABLE1, TABLE2.[code]
View 1 Replieshave made the data table in vb code, and it works flawlessly. It gets its values from labels which are part of a calculation.It shows the information to the user in a datagridview. Now i would like it to add new rows and fill them in if the user has already entered the data once and it has been logged in the datagridview.here is the current
'DATA TABLE
Dim Table1 As DataTable
Table1 = New DataTable("CF Log")
[code].....
I'm not sure if I already saw a trackbar inside a menu strip, but there is a way to add it? Or even a numeric dropdown?
View 2 RepliesMy app deals with football, and the line of scrimmage. There is an additional line, called the line to gain, used for showing where a first down is earned. I'd like to have a trackbar with two arrow on it... one for the Line of Scrimmage, and the other for the Line to Gain.
View 6 RepliesI need to use a trackbar as a scrollbar, but the problem is that the min value is at the bottom i need it to be 0 at the top and maxvalue at the bottom..
View 11 RepliesI want to add values to trackbar as shown below in figure.If someone scroll the track bar resp value should be shown in that text box.
View 5 Repliesi want to create a table that include a current year data and as well as previous data to be compare. here is the example of the table that i want to create: but i want to compare one of the annual data with the previous year. as example i want to compare between the data of current AR of 2007 with the current AR for 2006, Current AR of 2006 with current AR for 2005 and go on~, but i have no idea how to do it.
View 1 Replies