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The system needs to let the user modify some rows, or maybe delete another rows, or just add new rows, and at the end, or when ever they wants, they can click on the save button. Allows to update a data base, from a data table that has been modified, deleted rows, and add rows?But each thing will happen, before the data is stored in the database. We have a list of books wrote on the paper, and we want to add a couple of books more, but later we discovered that one book is not needed, and 2 seconds later, we see that the name of a book, is wrong, spell mistakes.I have the Command string also in the module one, and all of them are globals variables. Ole DBConnection Public Data Adapter as new Ole Db Data Adapter Public Cmd Command as new Ole Db. Since you seem to like rude - It is clear from your code (which is littered with errors) that you don't have a clue what you are doing.Ole Db Command Public Data Table1 as new Data Table Now, the data base is opened, I am not going to type the string with the provider and all this matter, I am sure that all of you understand now that I am not just trying to do something for the first time. I suggest you either get a good book on ADO or attend a class.I am not asking how open, or read data from a data base, it is not what my email says either.I am not asking how create a data adapter property, or a data adapter object.ok, later in another sub, in the module1, I have this; Sub One(User ID as integer) ' User ID is a value that I send from another form. I am not asking how create a data adapter property, or a data adapter object.Data Base.open() Dim Searching as string = " Select * from Table Where User ID = " & User ID & ";" dim Recorder as Ole DBCommand Builder Recorder = New Ole Db Command Builder((Data Table1) Cmd Command. So I don't understand why you think that I should learn how do it. Maybe my English is not very clear, but I need to make sure that my words are clear, because reading your answer, I am thinking that you didn't understand me.
I am trying to update the data base with the data table that I have been filling with new rows, deleting rows, and modifying rows. If you believe that my English is still not clear, please let me know, and I will do another effort. Pablo" id="ctl00_m_m_i_ctl00_gr_ctl23_bestanswerbody" class="textarea-bestanswerhidden" name="bestanswerbody" answerbody Id="5371398" / Hello pc morales, Nihar was trying to help you and you come back and tell him he isn't in very rude terms.
Dim changes As Data Table Try Dim cmdbuilder As Ole Db Command Builder = New Ole Db Command Builder(Data Adapter) cmdbuilder. Update(Data Table) ' use your update statement or the following two statements changes = Data Table. Get Changes() If changes Is Not Nothing Then Data Adapter. I need to do all of this, before save it into the data base. " id="ctl00_m_m_i_ctl00_gr_ctl13_bestanswerbody" class="textarea-bestanswerhidden" name="bestanswerbody" answerbody Id="5368086" / Hmm, so what other choices I have?
I am doing all these steps at the same time, but when I try to update my database, it is not happening. When the click event on the button save happens, I do this. Update(Data Table) and I know that I am missing something. Try this with your Data Table and Data Adapter: (untested) Dim changes As Data Table Try Dim cmdbuilder As Ole Db Command Builder = New Ole Db Command Builder(Data Adapter) cmdbuilder. Update(Data Table) ' use your update statement or the following two statements changes = Data Table. In this case I added, deleted, and modified a list of books wrote on a paper.
In addition, if you are going to have multiple users, you need to learn how to deal with conflicting changes to the underlying database.
There is detailed documentation on this, and many other issues, available in the . Finally, if you are asking how you can create a form that lets users perform all these operations on the contents of the Data Table, you need to learn about the Data View class.