SqlCeDataAdapter.SqlCeDataAdapter(String, String) Constructor
Initializes a new instance of the SqlCeDataAdapter class with a SelectCommand and a connection string.
Namespace: System.Data.SqlServerCe
Assembly: System.Data.SqlServerCe (in system.data.sqlserverce.dll)
Syntax
'Declaration
Public Sub New ( _
selectCommandText As String, _
selectConnectionString As String _
)
'Usage
Dim selectCommandText As String
Dim selectConnectionString As String
Dim instance As New SqlCeDataAdapter(selectCommandText, selectConnectionString)
public SqlCeDataAdapter (
string selectCommandText,
string selectConnectionString
)
public:
SqlCeDataAdapter (
String^ selectCommandText,
String^ selectConnectionString
)
public SqlCeDataAdapter (
String selectCommandText,
String selectConnectionString
)
public function SqlCeDataAdapter (
selectCommandText : String,
selectConnectionString : String
)
Not applicable.
Parameters
- selectCommandText
A String that is an SQL SELECT statement to be used as the CommandText of the SelectCommand property of the SqlCeDataAdapter.
- selectConnectionString
Remarks
When you create an instance of SqlCeDataAdapter, the following read/write properties are set to the following initial values.
Properties |
Initial Value |
---|---|
MissingMappingAction.Passthrough |
|
MissingSchemaAction.Add |
You can change the value of any of these properties by making a separate call to that property.
Example
The following example creates a SqlCeDataAdapter by passing the command text and connection string.
Public Sub Snippet5()
' Create DataAdapter
'
Dim adp As New SqlCeDataAdapter("SELECT * FROM products", "Data Source = MyDatabase.sdf")
Dim cb As New SqlCeCommandBuilder(adp)
' Create and fill the dataset (select only first 5 rows)
'
Dim ds As New DataSet()
adp.Fill(ds, 0, 5, "Table")
' Modify dataSet
'
Dim table As DataTable = ds.Tables("Table")
table.Rows(1)("Product Name") = "Asian Chai"
' Add handlers
'
AddHandler adp.RowUpdating, AddressOf OnRowUpdating
AddHandler adp.RowUpdated, AddressOf OnRowUpdated
' Update, this operation fires two events (RowUpdating/RowUpdated)
'
adp.Update(ds, "Table")
' Remove handlers
'
RemoveHandler adp.RowUpdating, AddressOf OnRowUpdating
RemoveHandler adp.RowUpdated, AddressOf OnRowUpdated
End Sub 'Snippet5
Private Shared Sub OnRowUpdating(ByVal sender As Object, ByVal e As SqlCeRowUpdatingEventArgs)
Console.WriteLine("OnRowUpdating")
Console.WriteLine(e.Command.CommandText)
Console.WriteLine(e.StatementType)
Console.WriteLine(e.Status)
End Sub 'OnRowUpdating
Private Shared Sub OnRowUpdated(ByVal sender As Object, ByVal e As SqlCeRowUpdatedEventArgs)
Console.WriteLine("OnRowUpdated")
Console.WriteLine(e.Command.CommandText)
Console.WriteLine(e.StatementType)
Console.WriteLine(e.Status)
End Sub 'OnRowUpdated
public void Snippet5()
{
// Create DataAdapter
//
SqlCeDataAdapter adp = new SqlCeDataAdapter(
"SELECT * FROM products",
"Data Source = MyDatabase.sdf");
SqlCeCommandBuilder cb = new SqlCeCommandBuilder(adp);
// Create and fill the dataset (select only first 5 rows)
//
DataSet ds = new DataSet();
adp.Fill(ds, 0, 5, "Table");
// Modify dataSet
//
DataTable table = ds.Tables["Table"];
table.Rows[1]["Product Name"] = "Asian Chai";
// Add handlers
//
adp.RowUpdating += new SqlCeRowUpdatingEventHandler(OnRowUpdating);
adp.RowUpdated += new SqlCeRowUpdatedEventHandler(OnRowUpdated);
// Update, this operation fires two events (RowUpdating/RowUpdated)
//
adp.Update(ds, "Table");
// Remove handlers
//
adp.RowUpdating -= new SqlCeRowUpdatingEventHandler(OnRowUpdating);
adp.RowUpdated -= new SqlCeRowUpdatedEventHandler(OnRowUpdated);
}
private static void OnRowUpdating(object sender, SqlCeRowUpdatingEventArgs e)
{
Console.WriteLine("OnRowUpdating");
Console.WriteLine(e.Command.CommandText);
Console.WriteLine(e.StatementType);
Console.WriteLine(e.Status);
}
private static void OnRowUpdated(object sender, SqlCeRowUpdatedEventArgs e)
{
Console.WriteLine("OnRowUpdated");
Console.WriteLine(e.Command.CommandText);
Console.WriteLine(e.StatementType);
Console.WriteLine(e.Status);
}
Platforms
Windows CE, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows XP Professional x64 Edition, Windows XP SP2
The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.
Version Information
.NET Framework
Supported in: 3.0
.NET Compact Framework
Supported in: 2.0, 1.0
See Also
Reference
SqlCeDataAdapter Class
SqlCeDataAdapter Members
System.Data.SqlServerCe Namespace
MissingMappingAction
MissingSchemaAction