How to show all category labels on the Column Chart SSRS 2012

How to show all category labels on the Column Chart X-Axis  SSRS 2012:

1. Right-click the category axis and click Axis Properties. The Axis Properties dialog box opens.
2. In Axis Options, set Interval to 1. Every category group label is displayed. If you want to show every other category group label on the x-axis, type 2.
3. Click OK.

How to have a parameter value automatically selected when another parameter value Selected in MS SSRS.

Step 1: Create cascade parameter in SSRS.
Step 2: One Parameter value is depend on another parameter value.
Step 3: The Depending parameter data set always return One Value.
Step 4:In Parameter Select-->Default Value Tab-->Get value from a Query-->Select Dependent data set--Select Value.

Example:
Dataset1:

select distinct

snapshot_WK

,cast(snapshot_Wkstart as date) as Snapshot_WKstart

,cast(snapshot_Wkend as date) as Snapshot_WKend

from sandbox..[Rawdata_Master](nolock)

order by snapshot_Wk

Dataset2:

select top 1

cast(snapshot_Wkstart as date) as Snapshot_WKstart

,cast(snapshot_Wkend as date) as Snapshot_WKend

from sandbox..[Rawdata_Master](nolock)

where snapshot_WK = @Reporting_Wk

Dataset2 is depend on Dataset1.Both data set are using for Parameter in Report. 

Result:When we select Snapshot_Wk in one parameter,other two parameter automatically filled with corresponding Wk_Start data and Wk_End Date.