asp.net - SQL Query Problem With Three Tables -


i've got 3 tables, want select 2 columns first table , 1 last table displayed in gridview asp.net

so have table sprint, task , blocked.

i want display currentstatus blocked table , need use task table join them together. i've attempted query below doesn't work.

can me on please, appreciated.

thanks

the way doing now, doing

  • first left join on task (which keeps sprint entries without task) and
  • then inner join on blocked (which removes sprint entries don't have blocked entry).

basically, need inner join task , blocked first, then right join sprint (which gets sprints):

select tblsprint.sprintid, tblsprint.projectid, tblblocked.currentstatus  tbltask       inner join tblblocked on tbltask.taskid = tblblocked.taskid      right join tblsprint on tbltask.sprintid = tblsprint.sprintid

alternatively, if that's easier understand you, can write this: left join sprint already combined task-blocked data.

select tblsprint.sprintid, tblsprint.projectid, tblblocked.currentstatus  tblsprint left join (tbltask inner join tblblocked                            on tbltask.taskid = tblblocked.taskid)      on tblsprint.sprintid = tbltask.sprintid

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