本文整理匯總了C#中System.Data.StateChangeEventArgs類的典型用法代碼示例。如果您正苦於以下問題：C# StateChangeEventArgs類的具體用法？C# StateChangeEventArgs怎麽用？C# StateChangeEventArgs使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
StateChangeEventArgs類屬於System.Data命名空間，在下文中一共展示了StateChangeEventArgs類的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: OnStateChange
// Handler for OnStateChange event.
protected static void OnStateChange(object sender,
StateChangeEventArgs e)
{
PrintEventArgs(e);
}
static void Main()
{
FillDataSet();
}
static private void FillDataSet()
{
string connectionString = GetConnectionString();
string queryString =
"SELECT ProductID, UnitPrice from dbo.Products;";
// Create a DataAdapter.
using (SqlDataAdapter dataAdapter =
new SqlDataAdapter(queryString, connectionString))
{
// Add the handlers.
dataAdapter.SelectCommand.Connection.StateChange
+= new StateChangeEventHandler(OnStateChange);
// Create a DataSet.
DataSet dataSet = new DataSet();
// Fill the DataSet, which fires several StateChange events.
dataAdapter.Fill(dataSet, 0, 5, "Table");
}
}
protected static void PrintEventArgs(StateChangeEventArgs args)
{
Console.WriteLine("StateChangeEventArgs");
Console.WriteLine(" OriginalState= {0} CurrentState= {1}",
args.OriginalState, args.CurrentState);
}
static private string GetConnectionString()
{
// To avoid storing the connection string in your code,
// you can retrieve it from a configuration file.
return "Data Source=(local);Initial Catalog=Northwind;"
+ "Integrated Security=true";
}