Send Data To .vb File In Backend?
Dec 17, 2010
i am using thickbox in asp.net and everything works fine. I load it, have textboxes and dropdowns in it. I also made modal=true, so it only closes when i click the "Thank you" button. The problem is that behind in the aspx.vb file, i need the data from the thick box, so i can insert, update in my database. How can i do that? Right now all that is happening is that onclicking the button the thickbox closes, but how do i send data to .vb file in backend?
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May 16, 2011
I'm trying to create a proxy for cross-domain AJAX POST queries and, in order to do that, I need to be adding the cookies from my client (browser)'s request into the POST request I send to the PHP backend, which is using HttpWebRequest. In order to do this, I'm adding each of the Request.Cookie into the HttpWebRequest.CookieContainer object. For some reason, none of the cookies I add to it ever get to my PHP backend.
I understand from some searches that the CookieContainer object is URI-dependent (I'm not sure how to even explain it!), so perhaps that's the cause of my issues. However, I've tried setting the domain on my cookie to different things and it doesn't seem to affect it. So maybe URI means something different than the Cookie's Domain parameter. If that's the case, I'm stuck.
[Code]...
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Nov 20, 2010
i have two item in form it is---1 is textbox and 2nd is combo box.now i have single value in textbox but there is a multiple value for a combobox with is totally depend on a value of textbox.*i am already add data to the backend files ... in which 1 columns that is called column A it's value is for textbox and 2 column that is called column B it's value for combo box When i write in textbox it's dependent ALL value can be get in the combo box.Can any one solve my problem..
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Jun 11, 2011
I am trying to retrieve data from a Ms Access backend DB. However, for some reason it is not working. Hence me asking for help lol. Here is my good faith effort
Public Class Form1
Dim dsMenu As New DataSet
Dim con As New OleDb.OleDbConnection
Dim dbProvider As String
[Code]...
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Jan 15, 2012
I used a class MyList and with the Help of this MyList the combo box named cboCity was filled with City Code(like 1001,1002,etc..) as Value member and City Name (like Canada,California etc...) as display member.
Public Class MyList
Private _dispName As String
Private _valMember As Integer
Public Sub New()
[code].....
The value members 1001,1002,1003,1004 get inserted as per cbocity(combo box)display name selection , into the database and during the retrieval of the record the value member is obtained and based on that for eg:when i get 1001 the selected item should be Canada.I tried many ways while fetching the record and set the selected item but all fails .
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Oct 27, 2011
I have a problem loading data to a tree view control using SQL SERVER db as my backend...i just found out that sqlserver dont accept multiple SQLDATAREADER
The code below works in SQLCOMPACT EDITION..
CODE:
I have use this code in my applications using SQLCE as my backend, but when i transfered to sqlserver it doesnt work because of the datareader..
Output is like this
Quote2011[January][February]
2010[January][February]
something like that
If i put it in a single query(sqlYear & sqlMonth), the ouput will be like this
Quote2011[february]
2011[january]
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Dec 17, 2011
I am Using a Application server for calling Oracle Reports and i have url to call the report when report is called the server convert it into pdf but when report contain large data it got a lot of time to load.I want to do in asp.net that when i call the report url it open the pdf file and copies it into the root of my web folder and next time when i call the url it open the pdf file and on back end loads the I want to call function on hyerplink in new tab.i want to use multithreading to call one file from root directory and other to download on backend
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Feb 20, 2010
This is what I am trying to do. I need to create some data inside my app and send it to another app as a file. But this 'file' should never be written to the hard drive. It will only ever exist in RAM.
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May 8, 2012
We are thinking about changing our current database system, MS Access 2007 front end and MS SQL Server 2005 backend to using a higher level language such as Visual Basic .Net. I wonder if this is the BEST solution for data management? Currently, among others, we have two big database programs that handle more than two hundred users and it's crashed often. That's the reason we think about changing to something that can handle these database programs effectively preferably using MS technology such as .Net.
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Jan 12, 2011
Hi friends, I am working on an application in which I have to send a data of a text file to a PLC machine. Now the convention is that
send start of file (0x02)
send data bytes (file data)
send end of file (0x03)
how to send the STX and ETX before and after the file data respectively. The PLC should receive them as 02 and 03 i.e. in their Hex values. If there is any ready function like vbCrLf for STX and ETX
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Oct 18, 2009
from and to a text file. that's no problem and was done within a hour. (tnx to google)Now the problem. i want this textfile to be online. Normally with webpages you can read and write a file very easy but i've never done this withSo far the read code works. write code works in local mode, the only thing is he won't write to an online file.i don't get any errors the code looks fine for the debugger.the code so far (local mode for testing)
read:
Private Sub read()
If runlocal = False Then
[code].....
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Jan 19, 2011
I am using window programming in visual studio(2008) and i am using LINQ and need to get the data from three table's column e.g A table's 1st column(x),b table's 2nd column(y) and c's table third column(z), and then i have to produce the excel sheet(CSV file).I want to get the table's data in string format in visual studio and then produce the excel sheet.I don't want to use Store procedure and grid view in my program.
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Aug 2, 2011
I am attempting to send my XML file through an API. I have done this no problem by using the below code, however when I try and send the FILE over it will not work, I am now getting in the browser:
Data at the root level is invalid. Line 1, position 39.
Without trying to send FILE it works:
' create the Xml that the Msxml2.serverXmlHttp object will send to the Webservice
dim Xml_to_Send
Xml_to_Send = "<?xml version=""1.0"" encoding=""utf-8"" ?>"
Xml_to_Send = Xml_to_Send & "<xmldata>"
[Code]....
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Mar 29, 2012
Im trying to send data from a Windows Form to an aspx page and send back a response. Im running around in circles trying to make this work. The data im trying to send is 4 strings. So fare I have this in my code, using the build-in webclient in visual studio 2010, in the windows form sending to the aspx
[Code]...
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Nov 14, 2011
I have two issues I am trying to correct...First am trying to get my listbox1 to be the selected Comport used to do the send data and get data back.
My second issue is its requiring me to send two times to get my read data back as complete data and has odd shapes with the data I get back in front of and after the regular txt.
Beware, I am very new at this so please take it easy on me... Most help I did find was for older versions I only have the 2010 Visual studio Professional...
Public Class Form1
Sub GetSerialPortNames()
End Sub
[CODE]...
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Apr 28, 2011
In order to re-sort the data received in USB easier, I send the data array received in USB (declared as Byte) to a temporary array (declared as SByte) to re-sort. I declared the temporary array as SByte just for easy sorting. After I compiled, an error message came up "make sure not divided by zero". I tried to use convert.SByte but still didn't help. Is it not allowed to send data to an array with different data type declaration?
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Apr 5, 2011
I have to use VB.Net. Microsoft provides black magic tools (in the Visual Studio IDE) for making AJAX work, but using these seems hopelessly complicated and documentation for these tools covers only the simplest examples. By contrast, writing the scripts myself seems much easier, and I will understand what is going on.
So my question is, is it possible to write my own AJAX javascript (creating the XMLHttpRequest object, etc.), and have the server-side function be written in VB.Net instead of PHP?
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Jan 11, 2011
I'm really struggling here - I'm trying to create a connection string to my TD backend and this is not working unless I create a data source in the project and enter my username & password. (to be stored in the config file?) I just want a simple connection string that will allow me to perform updates - furthermore i would like it to prompt the user for a password initially. I keep receiving the error:"No error message available, result code: DB_E_ERRORSOCCURRED(0x80040E21)" [code]
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Aug 11, 2011
i was create the .exe of vb.net project with sql server in backend. when i install it any other computer that time it is not connect to the data base. whta i do for that.
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Jul 13, 2011
m a final year bsc.IT student.i need your help can u suggest me some topics for my project.
i want to make it in vb langugae n its backend in MySQL
but m not finding any suitable topic.
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Apr 17, 2011
I have a User interface in VB.net(for a desktop application). And i want the backend to be in Java. How to connect them . Example: I want to have the search box functionality to be wriiten in Java.
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Mar 7, 2009
I'm creating an admin backend on my site. All the user content that goes on the site will be stored in a database table called Pending. There are other tables where the content will go once approved (Guestbook, Quotes) but if the content is rejected, it'll just be deleted.I know how to delete the content from the database, but I'm having problems will the approval system.On the approval screen, the admin will see a DataGrid that's databound to the Pending table. There's a button that the admin will click to approve the content (based on a checkbox selection or input of a uniqueidentifier entered into a textbox.Can anyone give me an idea on how to move the content from one table to another? Some sample code would be very nice.I'm using VS2005 with SQL Server 2005 Express.
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Mar 30, 2010
I have recently learnt vs '05 and am creating a project in vb.net '05.my question is-During project development, we connect it to MS SqL server 2005 express installed on my system and it works.( I use add datasource wizard,add sqldataadapter,add gridview control,generate dataset,connect dataset to gridview method). But after the project is finished and we create its executable, the project will be run on adiffrent machine with a different server name and hence a new connection string will be required.
How can i make my project detect server details and connect to it, at runtime ? because the user is only expexted to start the server and open my application.the app must connect to the new server on its own. If anybody has an answer or if you know some resource where i can find it, please post here. Any suggestions are welcome.
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Oct 26, 2009
I have some really nice Python code to do what I need to do.I don't particularly like any of the Python GUI choices though. wxPython is nice, but for what I need, the speed on resizing,refreshing and dynamically adding controls just isn't there. I would like to create the GUI in VB.NET.I imagine I could use IronPython to link the two,but that creates a dependency on a rather large third-party product. I was perusing the MSDN documentation on Windows IPC and got the idea to use sockets. I copied the Python echo server code from the Python documentation and in under 5 minutes was able to create a client in VB.NET without even reading the System.Net.Sockets documentation, so this certainly doesn't seem too hard.
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Apr 6, 2010
trying to delete a record in access backend table...
The form shows the record being deleted..
But the records in the table never get deleted. ?????
Private
Sub btnDelete_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDelete.Click
[Code].....
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Mar 8, 2011
I'm using Excel as a database backend to load into a datagridview.
This is how I connect and bind to the dgv:
vb.net Dim sFileName = filelocation & "checks.xls"
Dim connectionStringTemplate As String = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source={0};Extended Properties=""Excel 12.0 Xml;HDR=Yes;IMEX=1"""
[CODE]...
It connects and populates fine. I have a button for the user to "refresh" the datagridview. I cannot get it to correctly refill the dgv. I have tried setting the bindsource.datasource to Nothing along with the datagridview datasource, but I get an error that brings up the Visual Studio debugger with no real error message...
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Dec 14, 2011
My problem is that I need to use a access database as a backend for my visual basic.net program.
The database will be accessed by a maximum of 10 users but I want to lock tables when a user is updating a record.
I am unable to use the SQL server at the company due to it storing sensitive information.
I have some basic knowledge of ado.net
I have read many articles but I can't find any articles that say how to lock a access .mdb file using Visual basic.net
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Nov 16, 2010
I has a Access database ...that is password protected.... i am connecting in this manner given as follow .......(Without password protection)
cn = New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0; Data Source=D:My Documentsdb2.mdb")
cn.Open()
///codes.......
cn.close()
how can i edit that can use for access those password protected Access database
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Mar 9, 2010
I've been using ms access bfore but want to upgrade coz the company im working in is getting bigger. With almost 10,000 new clients added every week. Im afraid access can't handle it anymore. So im planning to create a new database. Im really new to this SQL Express but have knowledge in sql using vb codes. Is it easy to be used as backend database?
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Apr 2, 2009
I have built an application using VB 2005 express edition with backend Ms Access 2000. In main form(which is loaded on startup), I am having 9 datagridviews, each bound with databindingsources. I am refreshing this data every 15 seconds by refilling the table adapters and updating the datagridviews.Now, this access database is shared in the network and is accessed by about 5-6 users concurrently. There are other forms which are used to edit the data.My problem is poor performance of the application. Its very slow in opening up forms, not responding sometimes and using the network resources fully.
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