Sql server 显示数据集vb.net中的数据
我从MS SQL数据库返回数据时遇到问题 代码返回的是“System.data.datarowview”,而不是我的查询结果。分包商的代码为:Sql server 显示数据集vb.net中的数据,sql-server,wpf,vb.net,binding,Sql Server,Wpf,Vb.net,Binding,我从MS SQL数据库返回数据时遇到问题 代码返回的是“System.data.datarowview”,而不是我的查询结果。分包商的代码为: Public Sub newquery(query As String) Dim SQLConn As SqlConnection = New SqlConnection Dim SqlCommand As New SqlCommand SQLConn.ConnectionString = "Data Source=.\
Public Sub newquery(query As String)
Dim SQLConn As SqlConnection = New SqlConnection
Dim SqlCommand As New SqlCommand
SQLConn.ConnectionString = "Data Source=.\testing;Initial Catalog=eurostyle;Integrated Security=SSPI;"
SqlCommand = New SqlCommand(query, SQLConn)
Try
SQLConn.Open()
sqlDA = New SqlDataAdapter(SqlCommand)
sqlDataset = New DataSet
sqlDA.Fill(sqlDataset)
SQLConn.Close()
listbox1.DataContext = sqlDataset
Catch ex As Exception
MsgBox(ex.Message)
End Try
End Sub
我是WPF的新手,我相信这只是一件小事
非常感谢您的帮助 DataGrid视图更适合显示来自数据库的结果 试试这个:
Public Sub newquery(query As String)
Dim SQLConn As SqlConnection = New SqlConnection
Dim SqlComm As New SqlCommand
Dim dbDataSet As New DataTable
Dim bSource As New BindingSource
Dim sqlDA As New SqlDataAdapter
SQLConn.ConnectionString = "Data Source=.\testing;Initial Catalog=eurostyle;Integrated Security=SSPI;"
Try
SQLConn.Open()
SqlComm = SQLConn.CreateCommand
SqlComm.CommandText = query
SqlComm = New SqlCommand(zapytanie, myConn)
sqlDA.SelectCommand = SqlComm
sqlDA.Fill(dbDataSet)
bSource.DataSource = dbDataSet
DataGridView.DataSource = bSource
sqlDA.Update(dbDataSet)
SQLConn.Close()
Catch ex As SqlException
MessageBox.Show("Query Error: " & ex.Message)
End Try
你看过吗?我看过,代码是以正常的vb形式工作的,但由于某种原因,似乎在wpf中不起作用:-s。我不确定我做错了什么。这就是我读过的教程,修改后的代码仍然会产生相同的结果…….您是否使用类似的XAML?请注意
窗口中有一个DataTemplate
。参考资料
?这就是他们绑定布局的方式。