Pulling Three Coloums Of Data From A SQL View Into Data Drid Day / Time-In / Time-out

Apr 15, 2012

I am pulling three coloums of data from a SQL view into my data drid Day,TimeIn,TimeoutI want to colour my datagrid rows red if timeout is null and green if both the timein, timeout have data in them.[code]

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How To Load Data On Data Grid View One Time

Mar 29, 2012

I have a data grid view on a FrmItem Form, data grid fill with table item master and item master have 1 lack item. when user click on item text box then FrmItem Form call and when user choose any item then FrmItem form close and it return item code.The problem is every time when user press any key on Item text box, Frmitem load 1 lack item which takes a lot of time around 10 second.So i want Data grid fill when i start application and use that Data grid on the Frmitem form.data grid is already loaded and its not take more time. may be its show with in seconds.

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VS 2010 : View Array Data Real Time?

Feb 13, 2012

On VB.NET 2005 and 2008, if you were debugging you could roll over the variable you set as an array and a little "+" would pop up next to the array variable and you could click it and see all of the data loaded into the array.

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Data Table - Datagridview - On Running The Code A Second Time The Related Data Is Lost

Aug 6, 2011

I have two data tables. the second related to the first. Using a datagridview for the first table I am able to enter and save data ok. if I run the code twice in a row the data is still there. When I edit the data in the related table in it's own datagirdview the data is there and displays correctly, but on running the code a second time the related data is lost. In both cellendedit events I am using

Me.table.Update(Me.FigsDataSet.table)

Me.Validate()

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Real Time Data Tables/Data Grids?

May 25, 2012

I have been trying to find and/or think up a way for data to automatically update a data table.I have a log that shows all the customers that came in today with various information. There could be twenty or thirty employees adding to this log or updating or doing things with that customer. This information is in a Data Table on a ASPX page in Visual Studio 2010 that the code is binded in the aspx.vb page that is calling a page in my APP_CODE database file that calls a query in my Database to get the information.My question is could someones actions on a different computer make my computer refresh or to re-bind that data.I have thought of some kind of timer/counter maybe that looks to see if the count of the log is different.

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Make The Grid View Button(Time In) Invisible Until The User Press Time Out Button - ASP.NET

Mar 20, 2009

i want to make the Grid view Button(Time In) invisible until the User press Time Out Button. Once the user press the Time Out Button,Time in Button must be shown

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C# - Convert A Date And Time To UTC Time Based On The Time Zone Of The User?

Sep 6, 2009

I have an ASP.NET application with a SQL Server back end. I am storing all my dates in UTC format and doing the appropriate conversions to the local time zone of the browser viewing it. One of the pages asks for a start date and end date (no times).

I am taking the start date and setting the time to 00:00:00 hours (midnight) and I'm taking the End time and adding a time of 23:59:59, so that the date range covers the whole day. Now what I'm trying to do is do a SQL query to do a search for records in this date range. The problem is, the data in SQL is in UTC time and the user is typing their dates and times in their local date and times. My quickest solution was to convert the date and time to UTC, then search the records. However, by doing this, I am to believe ASP.NET converts the given time and date to UTC based on the server time zone. How can I convert a date and time to UTC time based on the time zone of the user?

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.net - Saving Data In Time ASP.NET?

May 29, 2010

I'm developing a web application that provide a service of online reservation, and I need to save the data (for example in a specific day and access to them).How can I do that.Is it possible using : System.Web.UI.WebControls.Calendar?

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Load Data At Run Time?

Feb 28, 2008

I have been dealing with this problem for quite sometime. I am really hoping that my friends at EE will be able to give me a viable solution.

I am working on building an application that reads and stores information about documents (access databases, excel files, word documents) into a database.[code]...

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Calling TIME Data Types?

Oct 12, 2009

I am create a mysql table with TIME data type Field. And then store time type data into that field. But can't view in datagridview ( not show in other controls, like LABEL,TEXT,LISTBOX etcc..) . Using method is:

(LEAVEFROM TIME DATA TYPE, LEAVETO TIME DATA TYPE)
Dim cmd As New MySqlCommand
Dim adapter As New MySqlDataAdapter
Dim table As New DataTable

[code]....

Run time display error:ArgumentException was unhandled Argument 'Prompt' cannot be converted to type 'String'

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Extracting A Range Of Data For Time?

Apr 12, 2012

I am looking to pull a specific time of data from my sql Data Base, Is this correct or is there a different way to do it?

Dim sqlShift As String = "SELECT * FROM ShiftTasks WHERE Shift=@Shift, Time>=@Time1 and Time<=@Time2 ORDER BY [Shift], [Time], [Priority] DESC"
Using Con As New SqlConnection(ConnectionString)

[code]....

I found it, Needed to replace the , in the SQLShift String with an and

Dim sqlShift As String = "SELECT * FROM ShiftTasks WHERE Shift=@Shift and Time>=@Time1 and Time<=@Time2 ORDER BY [Shift], [Time], [Priority] DESC"

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How To Cache Real-time Data

Jan 14, 2009

I'm working on a windows forms application (.NET 4.0).My form contains a 'Fast Line' chart using the Microsoft chart control included in VS2010.The chart gets filled with about 20,000 datapoints.My application then starts receiving market data from a server via DDE (Dynamic Data Exchange) in real-time and adds it the chart.

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How To Send Real-time Data Over UDP

Sep 19, 2010

I have to send a sequence of video frames over UDP as fast and real-time as possible and while I got the basics working, I am running into all sorts of difficulties. Some of my goals:Data will normally be sent over dial-up (hence UDP instead of TCP), but also needs to support fast Ethernet.It's OK to occasionally drop frames (hence UDP instead of TCP).Need low latency. The frame the remote receives should be one that was recently sent (no more than a few frames waiting in buffers).I need to be able to detect the effective bandwidth so that I can compress the frames more or less to keep frame rate up.I break up frame data into one or more datagrams of about 500 bytes and each has a sequence number and other info. The receiver reassembles the entire frame and detects if any datagrams are missing.If the receiver detects more than a certain percentage of dropped frames (e.g. 50% over the last 10 frames), I send a TCP message to the sender to slow down by 50%. Sender than slowly increases speed by 5% each subsequent frame.Using System.Net.Sockets.UdpClient to send and receive the data.I have a separate TCP channel used for control messages back to sender.My main difficulty right now is detecting the effective bandwidth and dealing with latency, especially over dial-up (max ~4,000 bytes/sec). For example, if I try to send 100,000 bytes/second using TcpClient.Send() they ALL seem to arrive (no dropped datagrams) but with large latency by the time last datagram arrives. I think the TcpClient.Send() function is blocking until the buffer is able to send which messes up my current algorithm.

Can anybody point me to any sources of information for how to:Detect actual bandwidth over UDP.A better algorithm for dynamically adjusting bandwidth to suit the available pipe.Send data smoothly at the desired bandwidth.A way to detect and keep latency down to a minimum.I have been spinning my wheels over the last week and every time I solve one problem it seems another rears up is head.

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IDE :: Can't Save Data In Two Tables At The Same Time?

Feb 24, 2009

I have two tables < student > and <class> . In vb2008 i make the connection to the database, display the data in both tables, edit existing data. The problem is that when i try to insert new rows to both tables there is a problem when i try to save both tables at the same time. The save button is in the studentBindingNavigator. I connect to the db through the Add New Data Source. The message i get is Can not insert or change a record beause it requires a relevant record in table student. Does anyone know anything about it?The two tables are related to each other.

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Real Time Data Display?

Jan 11, 2012

are there any ways that i can extract my data from database and display it into my listbox in real-time? which means that whatever is updated in my database must immediately be inserted into the listbox without the need of refreshing or pressing any buttons. Immediate display.

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Real Time Data From App To Web Server?

Jun 24, 2012

methods/procedures for sending real time data from a VB.net app to a web server (asp.net) for real time display. My question relates to the best method to send the data from the desktop app and the best way to receive and handle the data on the server. I'm not asking for sample code, just some idea of what methods to research. I am currently using a text file upload method but I'm sure there is a more efficient way of achieving this.

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Retrieve Data From Database One Time?

Nov 25, 2011

can only retrieve data from database one time with read code:

While reader.Read
RichTextBox1.AppendText(reader.GetString(0))
End While

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Save Data To Both Tables At The Same Time?

Apr 29, 2010

I dragged 2 tables onto a form, the nav bar at the top showed up, but it only saves data for one table for some reason - how can I make it save data to both tables at the same time? I looked up the properties, but I can only select one dataadapter

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Add A New Row At The End Of An Array Every-time User Enter The Data?

Nov 16, 2009

I dont know how many times user want to enter data .i want to add a new row at the end of arrray everytime user enter the data.

Dim vNames(-1) As String
For vIndex = 0 To vNames.Length - 1
vNames(vIndex) = InputBox("Enter a Name")

[code]....

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Create Control And Bound Data At Run-time?

Jun 30, 2009

Below code creates a set of comboboxes which are bound to the data table. This works almost fine with one exception. Whenever i change selection in one of these comboboxes, any other combo changes it's selection too.[code]...

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Entity Framework 4.1 Data Real Time

Mar 9, 2012

I'm using EF version 4.1, and would like to have the data from the database in realtime, i.e. if you open the application it detects if there is new data in the database, and update the above it! is It possible to do this? I am using EF 4.1 code first time

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Error Date / Time Data Type

Aug 25, 2011

I have a problem regarding to the date and time.im using combobox for the date and i make of variables..this is my code.[code]i dont know what is my error..but my syntax to insert data its correct..

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Excel Automation For Real-time Data

Jun 5, 2012

i have a program that function as a DAQ System.i have input channel to gather information from sensors. The reading of each sensor such as voltage, current and temperature are displayed in the textbook. As we all know, DAQ system is involve taking data real-time measurement.My problem is:

1. how to update each row automatically as time goes on. the value in the textbook is updated by each second.Below figure shows how the excel can be written automatically row by row, as time ticking for a sec. this update will stop as the timer stop.

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Extracting Data From 2 Lines At A Time And Do Some Calculation?

Jun 22, 2010

I have attached that file. The sample of data are as below:

PUBLT 167_89 656 PB -38321.478 6807.984 657 PB DAUD 200005041 278.271074.5150 69.4035 08370074.1830 69.2755 083800254.1925290.4620083900254.5615291.010008400008390098.2710 74.3630 20.3943

[Code]...

the main problem here is i want to use 2 value from 2 line in one time to do that calculation... if those data in one line its not a problem..

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First Time Using VB 2008 IDE Creating Data Source Of AN?

Feb 14, 2011

Error: "An Error Occured while retieving information fron the database: Selecting Objects of type 'Procedure' is not supported." This is the first time I have used this install of Vista Visual Studi 2008 VB

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Getting Data From MS Access Database Using Date/Time?

Apr 11, 2012

Dim purchasedatetime As Date = Now
chasedatetime2 = purchasedatetime.AddSeconds(50)
Dim subtotal As String

[code].....

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How To Update / Insert Data Into 3 Different Table At A Time

Jul 28, 2010

I'm not so good in databases and SQL. At the moment, I have a interface of a simple payroll system as well as a database design. I got 4 tables consist of Employee, Payroll, Deduction and Salary as you can see in the picture link below. Btw, I'm using VB 2008 express edition and mysql 2008.

Interface Design: [URL]
Database Design: [URL]

My question:
How can I link them properly? did I link them properly? How can I save the data into 3 different table from the interface u can see.

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Read Data From A Database At An Time Interval?

Feb 24, 2009

I like to update data from an access database every 100ms. This works fine, but it does not look good on the screen. It refresh the whole screen on my laptop and it is not looking good. Is it a good way of updating data without getting this disturbanses in the screen?

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Read Data From Two Serial Ports At Same Time?

Aug 8, 2009

I am still new in programming. I am an electrical engineer. I have to read the time from GPS from one serial port apend this time to a data got from other device serially.

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Reading Data From USB Port In Real Time?

Sep 29, 2011

I have a driver for the device and I already have it integrated into an application.

It is a Human Input Device with buttons.

Controlling the device is not the issue nor is receiving button presses.

I want to retrieve the actual data that is being sent from the device to the computer and from the computer to the device.

I have seen a lot of hardware approaches but not any software approaches(that work right).

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