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Gantt Chart - Is there a way to manually adjust a tasks start date without breaking dependencies ?

Tara Factor
Tara Factor ✭✭
edited 12/09/19 inArchived 2015 Posts

I'm creating a project schedule for the design and build of a new restaurant. The only concrete date that I know is the Tender date which is part way through the schedule. I filled out all the tasks and entered in the durations and predecessors for all the tasks. The problem is if I enter the date for Tender it only automatically fills out the rest of the dates for the tasks that come after Tender not the tasks that come before.

所以我去了第一个任务安排nd filled in my best guess at the start date. I was close but the Tender date was still off by a few days. If I try to enter in the correct Tender date manually it just breaks the dependencies.

Am I missing something? Or do I really just have to keep adjusting my start date to get the tender date to land where I want it to?

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Comments

  • Jason
    Jason Employee

    Unfortunately there isn't a direct way to constrain a Task's start or end date at this time.

    You can however set the Duration of a Task to 'TBD' and set the Start and End dates as best guess. Any changes to predecessors won't be enforced on a Tasks End date in this state.

    So in your case you could take the Task that is the predecessor to your Tender date and set its Duration to 'TBD' and then any changes upstream won't change its end date, and thereby keeping the Start of your Tender date task unchanged.

    Hope this helps!

This discussion has been closed.
=[End Date]@row - [Start Date]@row<\/p>"}]}},"status":{"statusID":3,"name":"Accepted","state":"closed","recordType":"discussion","recordSubType":"question"},"bookmarked":false,"unread":false,"category":{"categoryID":322,"name":"Formulas and Functions","url":"https:\/\/community.smartsheet.com\/categories\/formulas-and-functions","allowedDiscussionTypes":[]},"reactions":[{"tagID":3,"urlcode":"Promote","name":"Promote","class":"Positive","hasReacted":false,"reactionValue":5,"count":0},{"tagID":5,"urlcode":"Insightful","name":"Insightful","class":"Positive","hasReacted":false,"reactionValue":1,"count":0},{"tagID":11,"urlcode":"Up","name":"Vote Up","class":"Positive","hasReacted":false,"reactionValue":1,"count":0},{"tagID":13,"urlcode":"Awesome","name":"Awesome","class":"Positive","hasReacted":false,"reactionValue":1,"count":0}],"tags":[{"tagID":254,"urlcode":"Formulas","name":"Formulas"}]},{"discussionID":108269,"type":"question","name":"Dashboard Metric Breaks on Update of DataShuttle","excerpt":"I am sure there is something I am missing. But I try to set a Dashboard Matrix on a field that is refreshed by Data Shuttle. But when the Grid refreshes it breaks the Metric and says Data missing even though there is data in the field. Is there anyway around this or does Data Shuttle always break a Metric Cell?","snippet":"I am sure there is something I am missing. But I try to set a Dashboard Matrix on a field that is refreshed by Data Shuttle. But when the Grid refreshes it breaks the Metric and…","categoryID":321,"dateInserted":"2023-07-28T17:52:38+00:00","dateUpdated":null,"dateLastComment":"2023-07-28T22:21:10+00:00","insertUserID":164293,"insertUser":{"userID":164293,"name":"Joshua Jones","title":"IT Specialist","url":"https:\/\/community.smartsheet.com\/profile\/Joshua%20Jones","photoUrl":"https:\/\/us.v-cdn.net\/6031209\/uploads\/defaultavatar\/nWRMFRX6I99I6.jpg","dateLastActive":"2023-07-28T22:18:30+00:00","banned":0,"punished":0,"private":false,"label":"✭"},"updateUserID":null,"lastUserID":164293,"lastUser":{"userID":164293,"name":"Joshua Jones","title":"IT Specialist","url":"https:\/\/community.smartsheet.com\/profile\/Joshua%20Jones","photoUrl":"https:\/\/us.v-cdn.net\/6031209\/uploads\/defaultavatar\/nWRMFRX6I99I6.jpg","dateLastActive":"2023-07-28T22:18:30+00:00","banned":0,"punished":0,"private":false,"label":"✭"},"pinned":false,"pinLocation":null,"closed":false,"sink":false,"countComments":2,"countViews":27,"score":null,"hot":3381150828,"url":"https:\/\/community.smartsheet.com\/discussion\/108269\/dashboard-metric-breaks-on-update-of-datashuttle","canonicalUrl":"https:\/\/community.smartsheet.com\/discussion\/108269\/dashboard-metric-breaks-on-update-of-datashuttle","format":"Rich","tagIDs":[292,474],"lastPost":{"discussionID":108269,"commentID":387933,"name":"Re: Dashboard Metric Breaks on Update of DataShuttle","url":"https:\/\/community.smartsheet.com\/discussion\/comment\/387933#Comment_387933","dateInserted":"2023-07-28T22:21:10+00:00","insertUserID":164293,"insertUser":{"userID":164293,"name":"Joshua Jones","title":"IT Specialist","url":"https:\/\/community.smartsheet.com\/profile\/Joshua%20Jones","photoUrl":"https:\/\/us.v-cdn.net\/6031209\/uploads\/defaultavatar\/nWRMFRX6I99I6.jpg","dateLastActive":"2023-07-28T22:18:30+00:00","banned":0,"punished":0,"private":false,"label":"✭"}},"breadcrumbs":[{"name":"Home","url":"https:\/\/community.smartsheet.com\/"},{"name":"Get Help","url":"https:\/\/community.smartsheet.com\/categories\/get-help"},{"name":"Smartsheet Basics","url":"https:\/\/community.smartsheet.com\/categories\/smartsheet-basics%2B"}],"groupID":null,"statusID":3,"attributes":{"question":{"status":"accepted","dateAccepted":"2023-07-28T22:21:14+00:00","dateAnswered":"2023-07-28T20:45:34+00:00","acceptedAnswers":[{"commentID":387914,"body":"

How exactly is your Data Shuttle set up? If it is set to replace everything in the sheet when it runs, it is deleting the cell being referenced by the widget and then putting new data in new cells.<\/p>"}]}},"status":{"statusID":3,"name":"Accepted","state":"closed","recordType":"discussion","recordSubType":"question"},"bookmarked":false,"unread":false,"category":{"categoryID":321,"name":"Smartsheet Basics","url":"https:\/\/community.smartsheet.com\/categories\/smartsheet-basics%2B","allowedDiscussionTypes":[]},"reactions":[{"tagID":3,"urlcode":"Promote","name":"Promote","class":"Positive","hasReacted":false,"reactionValue":5,"count":0},{"tagID":5,"urlcode":"Insightful","name":"Insightful","class":"Positive","hasReacted":false,"reactionValue":1,"count":0},{"tagID":11,"urlcode":"Up","name":"Vote Up","class":"Positive","hasReacted":false,"reactionValue":1,"count":0},{"tagID":13,"urlcode":"Awesome","name":"Awesome","class":"Positive","hasReacted":false,"reactionValue":1,"count":0}],"tags":[{"tagID":292,"urlcode":"Dashboards","name":"Dashboards"},{"tagID":474,"urlcode":"data-shuttle","name":"Data Shuttle"}]},{"discussionID":108271,"type":"question","name":"Conditional formula - if a date is less than 30 days from today","excerpt":"I'm trying to create a conditional formula to flag if less than 30 days from today. I create a separate column to calculate but I am getting an error on the formula. =IF(AND([Event Date] > TODAY(), [Event Date] <= TODAY() + 30), \"Less than 30 days from today\", \"More than 30 days from today\") Help?","snippet":"I'm trying to create a conditional formula to flag if less than 30 days from today. I create a separate column to calculate but I am getting an error on the formula.…","categoryID":322,"dateInserted":"2023-07-28T18:21:58+00:00","dateUpdated":null,"dateLastComment":"2023-07-28T19:22:21+00:00","insertUserID":159884,"insertUser":{"userID":159884,"name":"Connie Cochran","url":"https:\/\/community.smartsheet.com\/profile\/Connie%20Cochran","photoUrl":"https:\/\/us.v-cdn.net\/6031209\/uploads\/defaultavatar\/nWRMFRX6I99I6.jpg","dateLastActive":"2023-07-28T19:21:59+00:00","banned":0,"punished":0,"private":false,"label":"✭✭✭✭"},"updateUserID":null,"lastUserID":159884,"lastUser":{"userID":159884,"name":"Connie Cochran","url":"https:\/\/community.smartsheet.com\/profile\/Connie%20Cochran","photoUrl":"https:\/\/us.v-cdn.net\/6031209\/uploads\/defaultavatar\/nWRMFRX6I99I6.jpg","dateLastActive":"2023-07-28T19:21:59+00:00","banned":0,"punished":0,"private":false,"label":"✭✭✭✭"},"pinned":false,"pinLocation":null,"closed":false,"sink":false,"countComments":4,"countViews":23,"score":null,"hot":3381143059,"url":"https:\/\/community.smartsheet.com\/discussion\/108271\/conditional-formula-if-a-date-is-less-than-30-days-from-today","canonicalUrl":"https:\/\/community.smartsheet.com\/discussion\/108271\/conditional-formula-if-a-date-is-less-than-30-days-from-today","format":"Rich","lastPost":{"discussionID":108271,"commentID":387894,"name":"Re: Conditional formula - if a date is less than 30 days from today","url":"https:\/\/community.smartsheet.com\/discussion\/comment\/387894#Comment_387894","dateInserted":"2023-07-28T19:22:21+00:00","insertUserID":159884,"insertUser":{"userID":159884,"name":"Connie Cochran","url":"https:\/\/community.smartsheet.com\/profile\/Connie%20Cochran","photoUrl":"https:\/\/us.v-cdn.net\/6031209\/uploads\/defaultavatar\/nWRMFRX6I99I6.jpg","dateLastActive":"2023-07-28T19:21:59+00:00","banned":0,"punished":0,"private":false,"label":"✭✭✭✭"}},"breadcrumbs":[{"name":"Home","url":"https:\/\/community.smartsheet.com\/"},{"name":"Get Help","url":"https:\/\/community.smartsheet.com\/categories\/get-help"},{"name":"Formulas and Functions","url":"https:\/\/community.smartsheet.com\/categories\/formulas-and-functions"}],"groupID":null,"statusID":3,"attributes":{"question":{"status":"accepted","dateAccepted":"2023-07-28T19:21:56+00:00","dateAnswered":"2023-07-28T18:55:42+00:00","acceptedAnswers":[{"commentID":387890,"body":"

Try this:<\/p>

=IF(ISDATE([Event Date]@row), IF(AND([Event Date]@row > TODAY(), [Event Date]@row <= TODAY(30)), \"Less than 30 days from today\", \"More than 30 days from today\"), \"\")<\/p>"}]}},"status":{"statusID":3,"name":"Accepted","state":"closed","recordType":"discussion","recordSubType":"question"},"bookmarked":false,"unread":false,"category":{"categoryID":322,"name":"Formulas and Functions","url":"https:\/\/community.smartsheet.com\/categories\/formulas-and-functions","allowedDiscussionTypes":[]},"reactions":[{"tagID":3,"urlcode":"Promote","name":"Promote","class":"Positive","hasReacted":false,"reactionValue":5,"count":0},{"tagID":5,"urlcode":"Insightful","name":"Insightful","class":"Positive","hasReacted":false,"reactionValue":1,"count":0},{"tagID":11,"urlcode":"Up","name":"Vote Up","class":"Positive","hasReacted":false,"reactionValue":1,"count":0},{"tagID":13,"urlcode":"Awesome","name":"Awesome","class":"Positive","hasReacted":false,"reactionValue":1,"count":0}],"tags":[]}],"initialPaging":{"nextURL":"https:\/\/community.smartsheet.com\/api\/v2\/discussions?page=2&includeChildCategories=1&type%5B0%5D=Question&excludeHiddenCategories=1&siteSectionID=0&sort=-hot&limit=3&expand%5B0%5D=all&expand%5B1%5D=-body&expand%5B2%5D=insertUser&expand%5B3%5D=lastUser&status=accepted","prevURL":null,"currentPage":1,"total":10000,"limit":3},"title":"Trending Posts","subtitle":null,"description":null,"noCheckboxes":true,"containerOptions":[],"discussionOptions":[]}">

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