How To Assign Previos Column Value To A Variable

Dec 18, 2007

Greeting.
I have a dataset (ORDER BY Column1) like the following in the data flow task pipeline

Column1 Column2

1 A
1 B
2 C
2 F
3 T
3 R
3 X
4 M

I only need data of 1, A;

2, C;

3, T
4, M
That is when Column1 value changes. I think we can store the column1 value in a variable as a previous row value. Then I can compare the variable value with the current row value and see if the column1 value changes. Can anyone please help me how to implement this? Or if there is other way to implement it

.
Thanks.

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How to make it workable code..

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Hello,

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tried wit the following:
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hi,

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