sqlcommandbuilder
Why SQLCommandBuider not DELETING?
In the following code UPDATE is working but DELETE is not working. When I DELETE row it delete it and GridView1 does not show it but database still has it. customers has PrimaryKey.[详细]
2023-04-10 11:14 分类:问答C# SQLCommandBuilder Help
I have project where i want to use the sqlcommandbuilder. My only problem is that i can not find a decent example of how to use it, or just simply does not understand why it is used like that.[详细]
2023-03-25 00:50 分类:问答How do I update a database using a DataSet?
I am trying to update my database with the contents of a DataSet, but currently am unable to do so with the following code:[详细]
2023-03-23 20:31 分类:问答ADO.NET CommandBuilder, InsertCommand and Default Constraints
I \' am copying data from table A to table B. Table B has a nullable column that has a default constraint value of 0.[详细]
2023-03-02 17:16 分类:问答dataset update fails when inserting new row
I am inserting a new row into a dataset dsStaff1 via DataAdapter1.Update() method. I am getting the following error:[详细]
2023-02-07 19:51 分类:问答Concurrency violation: the UpdateCommand affected 0 of the expected 1 records. DB concurrencyException was unhandled
i have defined 2 datasets and 2 dataAdapters( one for each of the datasets ) . after creating, for each of the 2 dataAdapters i define a SqlCommandBuilder. All is well till here.[详细]
2023-01-27 06:11 分类:问答What is use of Command Builder in ASP.NET?
Command 开发者_如何学Gobuilder builds Parameter Object. What does it mean by parameter object? Why are they created ?[详细]
2023-01-06 02:24 分类:问答Does SqlCommandBuilder.GetUpdateCommand() need to be called before using SqlDataAdpater.Update()?
When I use a SqlCommandBuilder to push updates/inserts/deletes to the serv开发者_C百科er do I need to call .GetUpdateCommand(), .GetInsertCommand(), and .GetDeleteCommand()?[详细]
2023-01-04 22:57 分类:问答WinForms DataGridView - update database
I know this is a basic function of the DataGridView, but for some reason, I just can\'t get it to work. I just want the DataGridView on my Windows form to submit any changes made to it to the database[详细]
2022-12-26 07:04 分类:问答SqlCommandBuilder.DeriveParameters(command) and IsNullable
I have written an O/R database wrapper that generates some wrapper methods for stored procs it reads from the database.[详细]
2022-12-26 05:18 分类:问答