Build an ssrs report with RDP class haveing the header and details with 2 temporary tables

Hi ,

 I am new to the ssrs reports can you guide me how to build an ssrs reports with RDP class ,that class having 2 temporary tables 1is header information another one is lines information.

   My  Example is "Sample Header and Sample Details" Are the 2 physical tables  having the common field Number this is unique in sample header and the sample details having the multiple line for particular Number

my o/p comes like this

dataste1

Number

1

2

3

dataset2

number                     work

1                               sdcf

1                             jdljslfd

1                             fkldfd;l

2                            ld;fldf;g

3                          ksdkls

3                            kfsdffsd

my o?p comes like this but my actual requirement display data like below

dataset1

1

dataset2

1                gflddl

1              dfsjflkl

dataste1

2

datset2

2               lsdflk;

like this

cau you guide how to do in precision design

bassed on this scenario i can work out my issue.

Thanks In advance