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convert a jagged array into a multidimensional array

 
 
TS
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      21st Jan 2007
is there some code somewhere that does this?

i have a jagged array that is not jagged, it has an equal number of rows and
columns in each array so it should convert but want to get the code to do it
somewhere.

thanks


 
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TS
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      21st Jan 2007
example

say i have a jagged array with 2 array items and each array item has 2 value
items.

I want to turn that into an array[2,2], how do i do that?

thanks

"TS" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> is there some code somewhere that does this?
>
> i have a jagged array that is not jagged, it has an equal number of rows
> and columns in each array so it should convert but want to get the code to
> do it somewhere.
>
> thanks
>



 
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Jon Skeet [C# MVP]
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      21st Jan 2007
TS <(E-Mail Removed)> wrote:
> example
>
> say i have a jagged array with 2 array items and each array item has 2 value
> items.
>
> I want to turn that into an array[2,2], how do i do that?


I don't think there's any built-in way to do it. It wouldn't be too
hard to write a method to do it though.

--
Jon Skeet - <(E-Mail Removed)>
http://www.pobox.com/~skeet Blog: http://www.msmvps.com/jon.skeet
If replying to the group, please do not mail me too
 
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Linda Liu [MSFT]
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      22nd Jan 2007
Hi TS,

I am sorry to say that I don't think there's a direct way to convert a
jagged array into a multidimensional array. We need to loop through the
jagged array and assign each value to the multidimensional array.

The following is a sample.

int[] a0 = new int[2];
a0[0] = 1;
a0[1] = 2;

int[] a1 = new int[2];
a1[0] = 3;
a1[1] = 4;

int[][] a = new int[2][];
a[0] = a0;
a[1] = a1;

int[,] b = new int[2, 2];
for (int i = 0; i < 2; i++)
{
for (int j = 0; j < 2; j++)
{
b[i, j] = a[i][j];
}
}
Hope this helps.
If you have any concerns, please feel free to let me know.


Sincerely,
Linda Liu
Microsoft Online Community Support

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TS
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      22nd Jan 2007
thanks all who posted, i got a good method created.

"Linda Liu [MSFT]" <v-(E-Mail Removed)> wrote in message
news:$(E-Mail Removed)...
> Hi TS,
>
> I am sorry to say that I don't think there's a direct way to convert a
> jagged array into a multidimensional array. We need to loop through the
> jagged array and assign each value to the multidimensional array.
>
> The following is a sample.
>
> int[] a0 = new int[2];
> a0[0] = 1;
> a0[1] = 2;
>
> int[] a1 = new int[2];
> a1[0] = 3;
> a1[1] = 4;
>
> int[][] a = new int[2][];
> a[0] = a0;
> a[1] = a1;
>
> int[,] b = new int[2, 2];
> for (int i = 0; i < 2; i++)
> {
> for (int j = 0; j < 2; j++)
> {
> b[i, j] = a[i][j];
> }
> }
> Hope this helps.
> If you have any concerns, please feel free to let me know.
>
>
> Sincerely,
> Linda Liu
> Microsoft Online Community Support
>
> ==================================================
> Get notification to my posts through email? Please refer to
> http://msdn.microsoft.com/subscripti...ult.aspx#notif
> ications.
>
> Note: The MSDN Managed Newsgroup support offering is for non-urgent issues
> where an initial response from the community or a Microsoft Support
> Engineer within 1 business day is acceptable. Please note that each follow
> up response may take approximately 2 business days as the support
> professional working with you may need further investigation to reach the
> most efficient resolution. The offering is not appropriate for situations
> that require urgent, real-time or phone-based interactions or complex
> project analysis and dump analysis issues. Issues of this nature are best
> handled working with a dedicated Microsoft Support Engineer by contacting
> Microsoft Customer Support Services (CSS) at
> http://msdn.microsoft.com/subscripti...t/default.aspx.
> ==================================================
>
> This posting is provided "AS IS" with no warranties, and confers no
> rights.
>



 
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Alvin Bruney [MVP]
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      23rd Jan 2007
I'd like to propose that this be implemented internally as perhaps an
overloaded method or something in the framework. For instance, in Excel
interop and Excel services, the spreadsheet cells are returned as jagged
arrays which makes interpreting these values very *wordy. Jagged arrays need
to be more implementation friendly in my esteemed opinion :-)

--
Regards,
Alvin Bruney
------------------------------------------------------
Shameless author plug
Excel Services for .NET is coming...
OWC Black book on Amazon and
www.lulu.com/owc


"Linda Liu [MSFT]" <v-(E-Mail Removed)> wrote in message
news:$(E-Mail Removed)...
> Hi TS,
>
> I am sorry to say that I don't think there's a direct way to convert a
> jagged array into a multidimensional array. We need to loop through the
> jagged array and assign each value to the multidimensional array.
>
> The following is a sample.
>
> int[] a0 = new int[2];
> a0[0] = 1;
> a0[1] = 2;
>
> int[] a1 = new int[2];
> a1[0] = 3;
> a1[1] = 4;
>
> int[][] a = new int[2][];
> a[0] = a0;
> a[1] = a1;
>
> int[,] b = new int[2, 2];
> for (int i = 0; i < 2; i++)
> {
> for (int j = 0; j < 2; j++)
> {
> b[i, j] = a[i][j];
> }
> }
> Hope this helps.
> If you have any concerns, please feel free to let me know.
>
>
> Sincerely,
> Linda Liu
> Microsoft Online Community Support
>
> ==================================================
> Get notification to my posts through email? Please refer to
> http://msdn.microsoft.com/subscripti...ult.aspx#notif
> ications.
>
> Note: The MSDN Managed Newsgroup support offering is for non-urgent issues
> where an initial response from the community or a Microsoft Support
> Engineer within 1 business day is acceptable. Please note that each follow
> up response may take approximately 2 business days as the support
> professional working with you may need further investigation to reach the
> most efficient resolution. The offering is not appropriate for situations
> that require urgent, real-time or phone-based interactions or complex
> project analysis and dump analysis issues. Issues of this nature are best
> handled working with a dedicated Microsoft Support Engineer by contacting
> Microsoft Customer Support Services (CSS) at
> http://msdn.microsoft.com/subscripti...t/default.aspx.
> ==================================================
>
> This posting is provided "AS IS" with no warranties, and confers no
> rights.
>



 
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