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16-Aug-2017 13:56

Probably your problem has been answered here at EDIT: I realize just now that this was/is a very poor answer.Well, at that time, I was a real beginner in this site.Well when I run my applications now I don't get any real error, but the data base is NOT being updated Please have a look at my code below and tell me what to do in order to be able to update my data base with a changed Data Set. Page { private Data Set my Data Set; private Data Table my Data Table; private EBBWS. Hi Wencui Qian Thank you for your willingness to help me I tried to put the line: my Sql Command Builder.The code behind in my cs file looks like this: public partial class Profile Info : System. EBBWeb Service my WS; string db First Name, db Last Name; string session User ID = "1"; protected void Page_Load(object sender, Event Args e) protected void save Button_Click(object sender, Event Args e) But it doesn't work I get this Error: "Data Table already belongs to this Data Set." I can understand the error, because after all what I am trying to do is to change data which already exists in the dataset. Get Update Command(); Into my DAL code, but I still get the same error: "Data Table already belongs to this Data Set." Obviously I am doing something wrong when I try to update the Data Set with the updated Data Table, my code looks like this: Hi, If your problem is with saving, why dont you loop through your datatable records and save each single row seperately. Accept Changes(); If you call this method before updating, all the row states will be updated.Note In Windows Forms, the data-binding architecture takes care of sending changes from data-bound controls to the dataset, and you do not have to explicitly update the dataset with your own code.For more information, see Windows Forms Data Architecture.After your dataset is populated with data, you will typically perform some kind of manipulation of the data before sending it back to the data source or to another process or application.

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The order of command execution will also follow the indices of the . I pass data between Website and Web Service with Data Sets.Now I want to be able to update the data base with changes made in the user interface of the Website.So I update my answer now copying here the relevant content of the link above If you right-click the Table Adapter in the Dataset Designer and click 'Configure' the Table Adapter Configuration Wizard opens where you can reconfigure the main query that defines the schema of your table.

This should leave the additional Table Adapter queries (the additional methods) that were added after initial configuration. When saving data in related tables, Visual Studio provides a Table Adapter Manager component that assists in performing saves in the proper order based on the foreign-key constraints defined in the database.



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