SqlCeResultSet.CreateRecord 方法
在服务器上创建新的一行并返回一个 SqlCeUpdatableRecord 对象。
命名空间: System.Data.SqlServerCe
程序集: System.Data.SqlServerCe(在 System.Data.SqlServerCe.dll 中)
语法
声明
Public Function CreateRecord As SqlCeUpdatableRecord
用法
Dim instance As SqlCeResultSet
Dim returnValue As SqlCeUpdatableRecord
returnValue = instance.CreateRecord()
public SqlCeUpdatableRecord CreateRecord()
public:
SqlCeUpdatableRecord^ CreateRecord()
member CreateRecord : unit -> SqlCeUpdatableRecord
public function CreateRecord() : SqlCeUpdatableRecord
返回值
类型:System.Data.SqlServerCe.SqlCeUpdatableRecord
带有预填充的 SqlCeResultSet 的元数据的 SqlCeUpdatableRecord。
示例
下面的示例使用 CreateRecord 创建一条新记录并为该记录设置了各个值,然后将该记录添加到 SqlCeResultSet。
Dim conn As SqlCeConnection = Nothing
Try
File.Delete("Test.sdf")
Dim engine As New SqlCeEngine("Data Source = Test.sdf")
engine.CreateDatabase()
conn = New SqlCeConnection("Data Source = Test.sdf")
conn.Open()
Dim cmd As SqlCeCommand = conn.CreateCommand()
cmd.CommandText = "CREATE TABLE myTable (col1 INT, col2 MONEY, col3 NVARCHAR(200))"
cmd.ExecuteNonQuery()
' For optimal performance use base table access
'
cmd.CommandText = "myTable"
cmd.CommandType = CommandType.TableDirect
Dim rs As SqlCeResultSet = cmd.ExecuteResultSet(ResultSetOptions.Updatable Or ResultSetOptions.Scrollable)
Dim rec As SqlCeUpdatableRecord = rs.CreateRecord()
' Insert two records
'
rec.SetInt32(0, 34)
rec.SetDecimal(1, System.Convert.ToDecimal(44.66))
rec.SetString(2, "Sample text 1")
rs.Insert(rec)
rec.SetInt32(0, 35)
rec.SetDecimal(1, System.Convert.ToDecimal(94.25))
rec.SetString(2, "Sample text 2")
rs.Insert(rec)
Catch e As Exception
MessageBox.Show(e.Message)
Finally
conn.Close()
End Try
SqlCeConnection conn = null;
try
{
File.Delete("Test.sdf");
SqlCeEngine engine = new SqlCeEngine("Data Source = Test.sdf");
engine.CreateDatabase();
conn = new SqlCeConnection("Data Source = Test.sdf");
conn.Open();
SqlCeCommand cmd = conn.CreateCommand();
cmd.CommandText = "CREATE TABLE myTable (col1 INT, col2 MONEY, col3 NVARCHAR(200))";
cmd.ExecuteNonQuery();
// For optimal performance use base table access
//
cmd.CommandText = "myTable";
cmd.CommandType = CommandType.TableDirect;
SqlCeResultSet rs = cmd.ExecuteResultSet(ResultSetOptions.Updatable |
ResultSetOptions.Scrollable);
SqlCeUpdatableRecord rec = rs.CreateRecord();
// Insert two records
//
rec.SetInt32(0, 34);
rec.SetDecimal(1, (decimal)44.66);
rec.SetString(2, "Sample text 1");
rs.Insert(rec);
rec.SetInt32(0, 35);
rec.SetDecimal(1, (decimal)94.25);
rec.SetString(2, "Sample text 2");
rs.Insert(rec);
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
finally
{
conn.Close();
}