Click here to Skip to main content
11,495,493 members (65,346 online)
Rate this: bad
Please Sign up or sign in to vote.
See more: Gridview sqldatasource Errors , +
i have this gridview, and i use sqldatasource

this is my select command

    SELECT Date.dateAvailable FROM LessonDate INNER JOIN Date ON LessonDate.dateID = Date.dateID WHERE (LessonDate.lessonID = @lessonID)
however when i want to update the dateAvailable column

  UPDATE       Date
    SET                dateAvailable = @dateAvailable
    FROM            Date INNER JOIN
                             LessonDate ON Date.dateID = LessonDate.dateID
    WHERE        (LesssonDate.dateID = @LessonDateID)

however it when i click on excute query it give me error conversion failed when converting date and/or time from character string

so what wrong?
Posted 31-Jan-12 1:22am

1 solution

Rate this: bad
Please Sign up or sign in to vote.

Solution 1

@LessonDateID is probably of varchar type.

Try using CAST or CONVERT and convert[^] this varchar to DateTime.
cutexxbaby at 31-Jan-12 6:35am
can you show me how?
Abhinav S at 31-Jan-12 6:38am
Try convert(datetime, @LessonDateID).
cutexxbaby at 31-Jan-12 6:40am
you mean the LessonDateID not the dateAvailable
Abhinav S at 31-Jan-12 6:45am
Try both.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

  Print Answers RSS
0 Dnyaneshwar@Pune 692
1 CHill60 318
2 Sascha Lefèvre 265
3 Nakul Chaudhari 236
4 Sergey Alexandrovich Kryukov 230
0 Sergey Alexandrovich Kryukov 10,322
1 OriginalGriff 8,821
2 Sascha Lefèvre 3,889
3 Maciej Los 3,422
4 Richard Deeming 2,560

Advertise | Privacy | Mobile
Web02 | 2.8.150520.1 | Last Updated 31 Jan 2012
Copyright © CodeProject, 1999-2015
All Rights Reserved. Terms of Service
Layout: fixed | fluid

CodeProject, 503-250 Ferrand Drive Toronto Ontario, M3C 3G8 Canada +1 416-849-8900 x 100