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by: Dianna K. |
last post by:
I have a dataview which I am assigning to a Datatable (I
am doing this because currently Crystal Reports will not
accept a dataview as a Reportsource -- The recommended
work-around is to assign dataview to datatable).
The dataview is being filtered. However when I assign it
to the datatable it is not filtered. I put some debug
code in and the Dataview has 8 records then I assign it to
a new datatable. When I check the row count of the...
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by: Edward Diener |
last post by:
Coming from the C++ world I can not understand the reason why copy
constructors are not used in the .NET framework. A copy constructor creates
an object from a copy of another object of the same kind. It sounds simple
but evidently .NET has difficulty with this concept for some reason. I do
understand that .NET objects are created on the GC heap but that doesn't
mean that they couldn't be copied from another object of the same kind when...
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by: Matthew Wieder |
last post by:
I have a datatable as a source and I need to produce a datatable which
is all the rows in the original datatable except the first row, copied n
times. So, if I had a datatable of:
A B C
1 21 12 32
2 1 43 12
3 32 12 35
I need to output:
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by: Kelvin |
last post by:
Hi All,
Due to can't insert new row between row and row while current
DataTable looping.
In order to solve the problem, I need to clone it as new DataTable,
while the DataTable Looping, it also insert both of new row and
existing datarow into new DataTable, but I don't know how to do that,
Here is my souce code, Please advise.
if ( myTable.Rows.Count > 0 )
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by: JC Voon |
last post by:
Hi:
What is the best way to copy the schema of one DataTable to another ?,
The DataTable.Clone will create a new DataTable
Currently i do it manually
destTable.Clear()
destTable.Columns.Clear()
destTable.Constraints.Clear()
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by: Katit |
last post by:
I get dataset from database. I need to take specific datatable out of
it and add it to second dataset to pass back from webservice.
ds.Tables.Add(dsPart.Tables);
I get exception "Datatable already belongs to another dataset"
Which is true :) But why can't I do that?
TIA
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by: Férnas |
last post by:
Hey guys,
In my app, I have a DataTable named "dta"...
If i create a new variable of DataTable type named "dta2", and assign
the dta as value, it creates a reference to dta, then, when I make
changes in dta, dta2 is also changed...
For example:
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by: Manuel |
last post by:
Hi to all,
I'm trying to copy a Datacolumn from a table to another, but with this code:
destTable.Columns.Add(srcTable.Column);
I got this error:
Column 'colname' already belongs to another DataTable.
Anyone can help me?
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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...
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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,...
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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...
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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms.
Adolph will...
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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();...
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by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
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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
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by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
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by: bsmnconsultancy |
last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating effective websites that not only look great but also perform exceptionally well. In this comprehensive...
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