by: sam |
last post by:
For Example, If I delete two times like the below code, the program will
behave differently. is this correct?
As C++ FAQ the delete checks where or not f1 has memory. How can the
following program...
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by: ad |
last post by:
I have a string like string sNo.
I want to cast it to int with int.Parse(sNo)
but if the string is null or empty, it will thow exception.
I must check if sNo is not null and is not empty before...
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by: Fabio Negri Cicotti [MCP] |
last post by:
Hi All.
I'm trying to insert data into 2 tables (parent-child) using the ADO.NET's
SetParentRow method. The parent table has an identity column as primary key.
When I execute the code below I...
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by: WebBuilder451 |
last post by:
Why will this not work?
it comes back with an error saying it can't work because the value is null
this is a dataset value retreaved from db and it is null.
call to check for null...
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by: Tarun Mistry |
last post by:
Hi guys,
what is the best/correct way to check for a NULL object?
I.e.
myClass test;
if(test == null) {}
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by: Jim |
last post by:
I am trying to use a combo box in order to write a query on the fly. I
want to check for a null entry so i can replace it with "Like *" or
similar.
If Combo0.Value = Null Then MsgBox ("null")
...
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by: Richard Coltrane |
last post by:
Hi there,
Im stepping into C# from VB.net. In all the examples ive seen about raising
events the following construct is used:
if (myevent != null)
myevent(this,args);
Whats the purpose of...
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by: diane |
last post by:
Just trying to upsize using VFP 9 with SQL 2005 using VFP remote
views. One in particular keeps coming up and saying Cannot insert the
value NULL into column, when I really don't think I am...
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by: Sparky74 |
last post by:
Hi Everybody. I have been searching for many hours for an answer to this problem. I hope somebody can help me.
I have a C# .NET client application that connects to a TCP/IP C++ server application...
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by: qwedster |
last post by:
Folk!
How to programattically check if null value exists in database table (using stored procedure)?
I know it's possble in the Query Analyzer (see last SQL query batch statements)?
But how...
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by: taylorcarr |
last post by:
A Canon printer is a smart device known for being advanced, efficient, and reliable. It is designed for home, office, and hybrid workspace use and can also be used for a variety of purposes. However,...
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by: Charles Arthur |
last post by:
How do i turn on java script on a villaon, callus and itel keypad mobile phone
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by: emmanuelkatto |
last post by:
Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud.
Please let me know.
Thanks!
Emmanuel
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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: nemocccc |
last post by:
hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?
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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: 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: 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,...
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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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