dataadapter

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How to insert to table with one-to-one relationship via dataset

I use asp.net 4 and DataSets for accessing the database. There are two tables with one-to-one relationship in the database. It means that both tables have the same column as a primary key (say Id), an[详细]

2023-03-17 11:11 分类：问答
The new row added didn’t save into underlying database using C# and SQL server

I am trying this code to add new row to database, the new row is saved but when I close the program down, reopen it, the row has disappeared.[详细]

2023-03-17 02:29 分类：问答
vb.net - error filling data adapter with dataset

below is my code: myCommand = New SqlCommand(\"SELECT VisitorID,开发者_如何学编程 VisitorName, Skill FROM tblVisitor LEFT JOIN tblSkill ON tblVisitor.SkillID = tblSkill.SkillID\", myConnection)[详细]

2023-03-16 22:45 分类：问答
VB.NET combobox displays System.Data.DataRowView

I used this code: myCommand = New SqlComman(\"SELECT RackName FROM tblRack\", myConnection) myAdapter = New SqlDataAdapter(myCommand)[详细]

2023-03-16 12:30 分类：问答
ASP.NET DataAdapter Query Not Valid While The Query Works

I started to use DataSet in my ASP.net web app like 6 months ago. It is a beautiful tool, allow me to rapidly develop MVC application without having to do all the dirty works in DB connection/queries.[详细]

2023-03-07 12:23 分类：问答
DataAdapter.Update throwing an exception while execting update method

I\'m using the ODBC Microsoft Text Driver to load a csv file into the dataset to be displayed in the datagridview, the DGV has no columns in at present. I can load the file successfully but I encounte[详细]

2023-03-05 03:01 分类：问答
Output Parameters used with update CASCADE issue, when using data adapters

I\'ve manually created some data adapters – using the auto-generated ones is not viable due to version incompatibilities, for a dataset made of a number of tables with the usual mixture of PK, FK con[详细]

2023-03-04 23:38 分类：问答
using DataAdapter to populate table

I have a disconnected dataTable that contains a few records. I am using the following function to get the dataTable.[详细]

2023-03-01 08:56 分类：问答
Counting rows with a SqlDataAdapter

I have a problem in my co开发者_如何学Gode. I want to get the row count from my SqlDataAdapter if there are any rows.Maybe try dt.Rows.Count since that is a table and has rows.You were doing an assign[详细]

2023-02-20 12:13 分类：问答
Working with Sybase and a DataAdapter

I\'m writing a small Windows form application in .NET 2.0. I have an OdbcDataAdapter has the Insert and Update statements specified like so.The select statement is also defined earlier in this code.[详细]

2023-02-19 03:07 分类：问答