|
by: Jade |
last post by:
Hi, I am trying to create a dataset with 6 tables and 5 relationships created between them. I am creating it in the Form_Load event. However i keep getting the following error...
An unhandled exception of type 'System.ArgumentNullException' occurred in system.data.dll
Additional information: 'column' argument cannot be null.
The code stops on this line...
Dim rel_Booking_CaraBook As New DataRelation("dsFullBooking",...
|
by: Chris Kennedy |
last post by:
How do create a dataset from scratch based on an XML schema. This will not
be filled by a dataadapter. It will be a dataset which I add rows to and
then save as an XML file. All the example depend on filling the dataset. I
have also tried creating it from the XML schema but I am having problems
manipulating it. If someone could point me to some resources, that would be
great as I can't find anything.
|
by: Shelby |
last post by:
Problem: My company generates its own data export from a propietary
database. These (free) tables can be read in C#.NET using a Visual FoxPro
driver (vfpoledb). I can read each of the six tables into its own datatable,
modify them, and add them to a dataset. It take approximately 15 minutes to
pass that dataset to Crystal Reports (45 minutes if the report uses three
subreport datasets). Then it takes over 7 hours for Crystal to...
|
by: sal |
last post by:
Greets, all
I'm trying to create different multiple mailing type labels on a page
reading from an untyped dataset anyone have any ideas on how I can get
this done without crystal reports a plan text file would be fine.
My untyped dataset looks like this (comma denotes next cell in untyped
dataset)
Name,Address,Age
|
by: Amit Maheshwari |
last post by:
I need to read text file having data either comma seperated or tab seperated
or any custom seperator and convert into a DataSet in C# .
I tried Microsoft Text Driver and Microsoft.Jet.OLEDB.4.0 to read text file
but could not get the data in correct format.
All columns are not coming in dataset and rows are messing up.
Suggestions please ???
|
|
by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main usage, and What is the difference between ONU and Router. Let’s take a closer look !
Part I. Meaning of...
|
by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it.
First, let's disable language synchronization. With a Microsoft account, language settings sync across devices. To prevent any complications,...
|
by: jinu1996 |
last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven tapestry of website design and digital marketing. It's not merely about having a website; it's about crafting an immersive digital experience that captivates audiences and drives business growth.
The Art of Business Website Design
Your website is...
|
by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For most users, this new feature is actually very convenient. If you want to control the update process,...
|
by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...
|
by: conductexam |
last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one.
At the time of converting from word file to html my equations which are in the word document file was convert into image.
Globals.ThisAddIn.Application.ActiveDocument.Select();...
|
|
by: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
|
by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
|
by: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
|