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  1. byleth

    Regular expression

    hi, I'm trying to build a regex that catches everything between a FROM and WHERE of a sql clause (ie, the tables) EX: select * from t1, t2,t3, t4 x where ... i need the "t1, t2,t3, t4 x" i've tried several stuff and end up with this FROM\s+(?<tables>\w+\s*[,]?\s*)*(WHERE){0,1} but in...
  2. byleth

    regular expression

    Hi, I need a regular expression that matches this string: [{x:y:z}][{k:l:m}] ... with this pattern repeating n times i want to capture each word, that is: get the 'x', 'y', 'z', 'k'... i've tried something like this Dim re As New Regex("[{(\w):(\w):(\w)}]") Dim match As Match =...
  3. byleth

    Accessing information in a deleted DataRow

    hi chiph, I need it because i'm updating the dataset recursively.
  4. byleth

    Accessing information in a deleted DataRow

    Hi SavantMan, Thanks for your tip.. the thing is that i'm using constraints and relations in a strongly typed dataset, if i change the rowstate of a deleted row that eventualy has it's parent row with the row state marked as deleted as well, wouldn't i end up getting a constraint error...
  5. byleth

    Accessing information in a deleted DataRow

    Hi, I'm using strongly typed datasets. Somewhere in my application i need to access the child rows of a deleted datarow: deletedRow.GetChildRows in which i get an exception saying i can't access deleted row information. i know i can do something like deletedRow.Item("colName"...
  6. byleth

    strongly typed datasets

    Hi, Is it possible to create strongly typed datasets at runtime? The user in my application must login before any connection to the database is made. Also the connection to the database varies accordingly to the user, that is, i have diferent connect strings for diferent users.. thanks
  7. byleth

    MouseDown and MouseMove Events

    with that and this modification... Private Sub label1_MouseMove(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles Label1.MouseMove If IsDragging Then Label1.Location = New Point(Me.ParentForm.MousePosition.X, Me.ParentForm.MousePosition.Y)...
  8. byleth

    MouseDown and MouseMove Events

    hi, I want to move a control at runtime so i've starting by implement the following simple code: Private Sub label1_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles Label1.MouseDown IsDragging = True End Sub Private Sub...
  9. byleth

    configuring a database

    well i've started the listener, but now i get an: ORA-1017: invalid username/password using the previous connect string.. do i have to create a user? I've created a Local Role with grant to connect, but i really don't know if this is what i have to do..
  10. byleth

    configuring a database

    thanks for your reply, Now i get an ORA-12541: TNS:No listener found i went to the services manager and i really don't have a listener running, how do i start it?
  11. byleth

    configuring a database

    Hi, I'm starting with Oracle 9i and it all seems very confusing to me.. I've installed the Database Server, after that i've used the Database Configuration Assistant to create a database, wich i've called TEST, with SID TEST. I've also installed the oracle data access client for .net It all...
  12. byleth

    submitting hierarquical data to database

    it must be the user.. that's a problem right?
  13. byleth

    submitting hierarquical data to database

    It's a primary key. Defined in the Data Base. Something like: Users Table ----------- USER_ID (pk) USER_NAME ETC
  14. byleth

    submitting hierarquical data to database

    i forgot to mention the order suggestion in the book: 1) submit new parent records 2) submit new child records 3) submit modified parent records 4) submit modified child records 5) submit deleted child records 6) submit deleted parent records...
  15. byleth

    submitting hierarquical data to database

    Hi, Having read Microsoft ADO .Net from David Sceppa, i come across an way to partially solve the order problem when updating a dataset that has hierarchical data. I've followed David Sceppa's suggestion in page 486: 1) submit new parent records 2) submit new child records 3) submit modified...
  16. byleth

    submitting hierarquical data to database

    Hi, don't know if this is the right place for this question, but here it goes. Having read Microsoft ADO .Net from David Sceppa, i come across an way to partially solve the order problem when updating a dataset that has hierarchical data. I've followed David Sceppa's suggestion in page 486...
  17. byleth

    Updating with OracleDataAdapter, DataRelation

    but i have oda1.Update(ds.pTable) oda2.Update(ds.cTable) ... the actual update in the database is done when i save and exit from the application, meanwhile i deleted parents with childs (ofcourse the childs and parent where deleted, but only in the DataSet). Are you saying this is impossible...
  18. byleth

    Updating with OracleDataAdapter, DataRelation

    hi Christiaan, Are you saying i can't delete the parent and cascade through the childs? because that's what i want...
  19. byleth

    Updating with OracleDataAdapter, DataRelation

    Hi, I'm having a hard time trying to update a table that has child tables. I have a DataSet with 8 tables and each DataSet was filled with a different OracleDataAdapter. Then i've created a relation between two of the tables like this: Dim col1 As DataColumn =...
  20. byleth

    DataGrid Issue

    Hi, This is a little hard to explain, so i will start with an example.. Suppose we have 20 records associated with a DataGrid, with the first row beeing the Active Row, and a Visible Region of 5 rows, in the beginning we can see rows 0 to 4 and if we scroll down we will see rows 1 to 5, and so...

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