Database

26-Dec-05 2:36

lior654#hotmail.com wrote:
How can I use the DATENAME() function to get
the name of the month?

DATENAME() can accept a varchar as the date, so you can just create a random date, with the month as you want:

DECLARE @somedate varchar(20);
SET @somedate = '2005-01-01';
SELECT datename(month,@somedate);

This will return "January".

However, I would recommend that user interface type things like getting a month name are best carried out in the UI layer leaving the data layer to get on with things that it is good at (like manipulating the data in the database)

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SQL Query

karthik_dotnet123-Dec-05 20:09

karthik_dotnet1

23-Dec-05 20:09

My Table has the following structure:
ID Name Description
1 A Desc1
2 A Desc2
3 A Desc3
4 B Desc1
5 B Desc2

The expected output is:
Name D1 D2 D3
A Desc1 Desc2 Desc3

How do i get the above result by SQL Query or Function and not using CURSORS.

Pls. help me out!!!

Re: SQL Query

Gunvant Patel26-Dec-05 22:58

Gunvant Patel

26-Dec-05 22:58

i want to create query from two different SQL Server 2000 from two different computer. then how i can access this command. please help me

Re: SQL Query

Colin Angus Mackay27-Dec-05 0:38

Create .Net SQL At Runtime

27-Dec-05 0:38

If you are going to ask a new question then you should start a new thread!

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Re: SQL Query

rihdus27-Dec-05 19:44

rihdus

27-Dec-05 19:44

hi,
sorry for the delay
i want to help you, will you like to do some application side programming,
if you format your output in vb,C# etc.

its very easy,

but if you not interested in that, let me know, i can send u later Smile | :)

Any systematic work reflects its significance for a long time, Though I m not totally against "The Prototyping".So let's discuss in depth...

Steve4523-Dec-05 6:46

Steve45

23-Dec-05 6:46

Is there a free/simple SQL tool somewhere that will help me create a SELECT SQL statement at runtime. I perfer the code to be in C#. I'd like to pass some SQL SELECT parameters and have it return a SQL SELECT string.

Thanks

Steve

Colin Angus Mackay23-Dec-05 7:14

23-Dec-05 7:14

String.Format()?

I think you may need to explain what you are looking for a bit better because I don't quite understand what you want.

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Steve4523-Dec-05 7:47

Steve45

23-Dec-05 7:47

Thank You for repling

A need to "Push" a Crystal report with a DataSet.

The user opens a ADO.Net report selection form. The user makes selections on the form for the MS-Acess database report. I roll his selections into a SQL string (SELECT, FROM, WHERE and ORDER BY). Create the C# DataAdapter and DataSet and send the DataSet to the Crystal report (reportDocument()).

I'm looking for a C# class/method that I can pass the user selections to and it returns a SQL string like "SELECT...". Because I'm a non-profit it has to be free.

Hope this helps.

Steve

Colin Angus Mackay23-Dec-05 8:04

23-Dec-05 8:04

The simplest thing I can think of is not far off the String.Format() thing I flippantly suggested already. It looks like you need some code to build your SQL dynamically and a string builder could be used for that. (Remember that a SQL command is just a string that is sent to the database) There is a command builder for building SQL statements in .NET already, but I've never used it - it may have some useful methods that may help build a SQL statement dynamically without exposing you to the risk of SQL Injection Attacks (something you'd have to manage yourself if you were building the command by concatenating strings).

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Steve4523-Dec-05 13:33

Steve45

23-Dec-05 13:33

Thanks Colin

Two possible choices to evaluate for on-the fly SQL statements
http://www.easyobjects.net
http://www.reebsoftware.com

I think that command builder is for stored SQL procedures. Also, if you have VS do a Help search for SQL Pane - I think its for Access.

If I have to I'll reduce my report requirements and have 3 or 4 SQl templates and insert the parameters in the preformed SQL string.

string s = "SELECT " + field.text + "FROM " + "....";

Building dynamic SQL statement is an excellent choice for a Code Project code sample. Hope all this helps someone.

Thanks

Steve

Query for display row as column

Glenn Dawson28-Dec-05 8:54

Glenn Dawson

28-Dec-05 8:54

Steve45 wrote:
string s = "SELECT " + field.text + "FROM " + "....";

Watch out for things like:

field.text == "''; DELETE "

Dataset Thread Safety

Tristan Rhodes23-Dec-05 2:25

Tristan Rhodes

23-Dec-05 2:25

I've read the documentation and it says the following:

"This type is safe for multithreaded read operations. You must synchronize any write operations."

Would this mean it is unsafe to read and write at the same time?

I basiacly have a process running in the background that can generate an error set. This error willwill then get dropped into a dataview by my back end web page code.

Will this cause problems in my app when an update to the error report on the front end is called at the same time as the process is recording a new one?

Cheers

Tris

-- modified at 8:36 Friday 23rd December, 2005

PrakashBhaskar22-Dec-05 23:39

PrakashBhaskar

22-Dec-05 23:39

Hi,
Following is my table

id name designation
---------------------------
1 Prakash Des1
2 Prakash Des2
3 Prakash Des3
4 Prakash Des4
5 Sathish Des5
6 Sathish Des6

I want the query which should display the data like following format

id name Des1 Des2 Des3 Des4
------------------------------------------
1 Prakash Des1 Des2 Des3 Des4

Thanks
Warm Regards
Prakash-B

Re: Query for display row as column [edited]

toxcct22-Dec-05 23:53

toxcct

22-Dec-05 23:53

this is a display problem select doesn't return "rows", it returns records. but most of the time, we reprensent them horizontally, because of the ease of the view.

if you want to display such a thing, you'll have to make the "decomposition" in the displaying job.

[edit]
will that timorous anonymous guy who vote this to '1' ever show off one day...
i persist thinking what i wrote is what to do, and if anybody counter say this, he'll always stay in the dark side of Codeproject, where people act anonymously. Suspicious | :suss:

[/edit]

TOXCCT >>> GEII power
[toxcct][VisualCalc 2.20][VisualCalc 3.0]

-- modified at 8:07 Friday 23rd December, 2005

Re: Query for display row as column

PrakashBhaskar22-Dec-05 23:58

PrakashBhaskar

22-Dec-05 23:58

Hi,
Can you guide me how to make a decomposition

Thanks
Warm Regards
Prakash-B

Re: Query for display row as column

toxcct23-Dec-05 0:05

toxcct

23-Dec-05 0:05

well, i don't know how you display your data, but here are the hints.
when you get the set of records from SELECT, you then know the number of records returned.
then you can extend your grid depending on that.
but i cannot say more, as i don't know which language you're using, nor your database schema...

but i hope you see the job to do...

TOXCCT >>> GEII power
[toxcct][VisualCalc 2.20][VisualCalc 3.0]

sound

khurramzaidi22-Dec-05 21:32

khurramzaidi

22-Dec-05 21:32

how we use soundprograming in vb.net through the help of data base

Re: sound

Colin Angus Mackay22-Dec-05 22:11

22-Dec-05 22:11

khurramzaidi wrote:
how we use soundprograming in vb.net through the help of data base

I don't understand what you want to do? Please can you explain better.

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Testing on a Null value

gharry22-Dec-05 10:13

gharry

22-Dec-05 10:13

I have a SQL record that contaings <NULL> and now i want to test on it as follows: If Not objConnReader.GetString(4) = "" Then

and got the error : Data is Null. This method or property cannot be called on Null values.

Is this to much straigt thinking.

Colin Angus Mackay22-Dec-05 10:23

22-Dec-05 10:23

Two options

(1) Test against System.DbNull.Value

(2) Use IsDbNull()[^] on the DataReader object.

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gharry22-Dec-05 10:50

gharry

22-Dec-05 10:50

I thought i had the solution but no. i wrote first:

If Not DBNull(4) Then
'There is a date
Else
'There is no date
End If

But it dit work if there was a date present. The second one was also wrong:

If Not IsDBNull(objConnReader.GetString(4)) Then
'There is a date
Else
'There is no date
End If

This one dint work at all so now i need some help

Colin Angus Mackay22-Dec-05 11:07

22-Dec-05 11:07

I said to use IsDbNull() on the DataReader

Use: myDataReader.IsDbNull(columnOrdinal)

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