473,395 Members | 2,006 Online
Bytes | Software Development & Data Engineering Community
Post Job

Home Posts Topics Members FAQ

Join Bytes to post your question to a community of 473,395 software developers and data experts.

Merging more than one XML document into dataset

I am trying to merge multiple xml files into one dataset, but I keep
getting "'column' argument cannot be null. Parameter name: column " any
help would be appreciated!

I am getting the error on ds1.Merge(...)

Dim ds1 as New DataSet

Dim bFirstNewsFeed As Boolean = True

While dr.Read
If bFirstNewsFeed Then
ds1.ReadXml(CType(dr("Url"), String).Trim,
XmlReadMode.Auto)
bFirstNewsFeed = False
Else
Dim ds2 As New DataSet
ds2.ReadXml(CType(dr("Url"), String).Trim,
XmlReadMode.Auto)
ds1.Merge(ds2, True, MissingSchemaAction.Ignore)
ds2 = Nothing
End If
End While

dr.Close()

Nov 12 '05 #1
0 1265

This thread has been closed and replies have been disabled. Please start a new discussion.

Similar topics

3
by: William Ahern | last post by:
I'm looking for resources on splitting and merging XML trees. Specifically, on methods to pare large XML documents into smaller documents which can be merged later. Off of the top of my head, I...
0
by: tonidapogi | last post by:
Hi! I'm having problems in updating my client database using web service. When I merge datasets (1 from the client and 1 from the web service), and try to update the client database by using the...
0
by: Walt Borders | last post by:
Hi, My problem: Merging two datasets deletes parent elements, preserves all children. I've created two dataSets. Each use the same schema, parent-child nested tables. The first dataSet is...
3
by: Patrick | last post by:
I have got 2 XML documents, both of which conform to the same XSD Schema, which define possible optional elements. The 2 XML documents contain 2 disjoint set of XML elements. What is the best,...
1
by: svdh | last post by:
I have posed a question last saturday and have advanced alot in the meantime. But I am still not there Problem is that I try to merging various fields from various tables in one document in Word...
2
by: Phil Townsend | last post by:
I am working in a web app that contains two datasets that are cached. I would like to pull the first table from each dataset and put each into a single dataset, so as to have a single dataset with...
1
by: Ryan | last post by:
I was easily able to merge 2 XML files using the guide at http://support.microsoft.com/kb/311530/EN-US/. However, the two XML files may contain duplicate tags. Is there an easy way to merge so that...
7
by: Jon Vaughan | last post by:
I have 2 datasets , one returned as a dataset from a webservice and one created client side form the same stored procedure that is returned from the webservice. I then try and merge the data, but...
2
by: Neil Chambers | last post by:
I am trying to get my head around dataset merging but despite a little research I could still use a pointer (or ten). Basically I want to perform an outer join operation on a dataset (created from...
0
by: ryjfgjl | last post by:
In our work, we often receive Excel tables with data in the same format. If we want to analyze these data, it can be difficult to analyze them because the data is spread across multiple Excel files...
0
BarryA
by: BarryA | last post by:
What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...
1
by: nemocccc | last post by:
hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?
0
by: Hystou | last post by:
There are some requirements for setting up RAID: 1. The motherboard and BIOS support RAID configuration. 2. The motherboard has 2 or more available SATA protocol SSD/HDD slots (including MSATA, M.2...
0
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...
0
Oralloy
by: Oralloy | last post by:
Hello folks, I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>". The problem is that using the GNU compilers,...
0
jinu1996
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...
0
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...
0
tracyyun
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...

By using Bytes.com and it's services, you agree to our Privacy Policy and Terms of Use.

To disable or enable advertisements and analytics tracking please visit the manage ads & tracking page.