How to retrieve the table's particular cell value or Textbox

Note:

        Step 1:  Select anyone of table cell or Textbox in your SSRS report.

        Step 2:  Note that cell name or textbox name in properties.

        Step 3:  Then you can retrieve and use that value in anywhere, Like ReportItems!Textbox1.Value

                       Ex: ReportItems!TextboxName.Value