by: JochenZ |
last post by:
Hello,
I have a DataGrid(View) and a DataTable. The DataTable is displayed in the
DataGridView:
dataGridView.DataSource = theTable;
The user is allowed to select some rows and then the...
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by: Marty |
last post by:
In winforms, I can bind a datagrid to a dataset. When the user wants to
submit changes, it's easy to see what has changed with the DataSet
"GetChanges" method.
In ASP.Net, I can create the...
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by: Sam |
last post by:
Hi,
I have a datagrid which source is a dataset :
dgFields.Rows.DataMember = m_dsFields.Tables(0).TableName
dgFields.Rows.DataSource = m_dsFields
Now my values are displayed properly and when...
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by: kcakebread |
last post by:
Using VB 2005, I have a strongly typed dataset (from a .xsd file in my
project).
When I load data into this dataset, the immediate window shows:
?ds.TableX(0).IstheFieldNull
True
So,...
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by: George |
last post by:
Got a question about the side effect of DataAdapter.Update() and
DataTable.GetChanges().
Say I set up a DataTable and a DataAdapter in a class. Delete (Not remove)
a row in the data table and...
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by: matt |
last post by:
hello,
i have a web app that allows users to query our oracle db and produce a
dataset of report data. they then have the option to serialize this
data and store it in the database. later, then...
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by: daranee |
last post by:
Documentation on GetChanges say the following: Gets a copy of the DataSet that contains all changes made to it since it was loaded or AcceptChanges was last called.
Does this mean I can update via...
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by: Jim |
last post by:
Hi,
..Net 2003, Language: VB
Problem:
Populating a Dataset with a datatable, the columns of which are bound to
controls on a form. I'm assigning the value directly in 2 of the fields of
the...
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by: John Sheppard |
last post by:
Hello there,
I have the following code; I do this as a work around for a
dataset.haschanges method which doesnt appear to work correctly either
For Each dt As DataTable In myDs.Tables
If Not...
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by: ryjfgjl |
last post by:
If we have dozens or hundreds of excel to import into the database, if we use the excel import function provided by database editors such as navicat, it will be extremely tedious and time-consuming...
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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...
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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...
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by: Sonnysonu |
last post by:
This is the data of csv file
1 2 3
1 2 3
1 2 3
1 2 3
2 3
2 3
3
the lengths should be different i have to store the data by column-wise with in the specific length.
suppose the i have to...
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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...
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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,...
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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...
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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...
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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...
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