protected void btn_Continua_Click(object sender, EventArgs e)
{
//Andrea
//Prelevo la descrizione e la passo come parametro del metodo importa
string descrizione = this.descrizione.Text.ToString();
mDelegate = new asyncDelegate(importa);
AsyncCallback callback = new AsyncCallback(asyncImport);
//Andrea
//Aggiunta parametro descrizione
mDelegate.BeginInvoke(UserManager.getInfoUtente(this), EsitoImport, descrizione, callback, null);
ScriptManager.RegisterStartupScript(this.Page, this.GetType(), "alert", "alert('Import inviato con successo!');", true);
this.pnlReport.Visible = false;
this.btnNuovo.Enabled = false;
this.btnImporta.Enabled = true;
this.pnlAvviso.Visible = false;
this.pnlReport.Visible = false;
this.uploadFile.Disabled = false;
this.uploadFile = null;
this.btnContinua.Enabled = false;
this.box_upload.Update();
this.upPnlReport.Update();
this.descrizione.Text = string.Empty;
}
protected void BtnContinue_Click(object sender, EventArgs e)
{
ScriptManager.RegisterStartupScript(this, this.GetType(), "reallowOp", "reallowOp();", true);
string descrizione = this.txtDescrizione.Text;
mDelegate = new asyncDelegate(importa);
AsyncCallback callback = new AsyncCallback(asyncImport);
mDelegate.BeginInvoke(UserManager.GetInfoUser(), EsitoImport, descrizione, callback, null);
ScriptManager.RegisterStartupScript(this, this.GetType(), "ajaxDialogModal", "ajaxDialogModal('InfoImportPreviousSendSuccesfully', 'info', '');", true);
this.pnlReport.Visible = false;
this.BtnNew.Enabled = false;
this.BtnImport.Enabled = true;
this.pnlAvviso.Visible = false;
this.pnlReport.Visible = false;
this.fileUpload.Disabled = false;
this.fileUpload = null;
this.BtnContinue.Enabled = false;
this.box_upload.Update();
this.upPnlReport.Update();
this.txtDescrizione.Text = string.Empty;
}
public async Task taskStartAsyncDelegate(object sleepMS)
{
if (true)
{
await Task.Run(() =>
{
AsyncMethodParameterObject asyncMethodParameterObject = new AsyncMethodParameterObject(sleepMS);
asyncDelegate asyncDelegateTask = new asyncDelegate(asyncMethodTask);
AsyncCallback asyncCallback = new AsyncCallback(callBackAsyncDelegate);
AsyncObjectStateClass asyncObjectState = new AsyncObjectStateClass(sleepMS); //实例化类，该对象可以传入回调函数中
IAsyncResult iar = (AsyncResult)asyncDelegateTask.BeginInvoke(asyncMethodParameterObject, asyncCallback, asyncObjectState); //异步执行Method，界面不会假死，后执行回调函数，弹出提示框
});
}
else //lambda形式
{
await Task.Run(() =>
{
//回调函数callback方法可以改写成lambda形式
//AsyncMethodParameterObject asyncMethodParameterObject = new AsyncMethodParameterObject(sleepMS);
new asyncDelegate(asyncMethodTask).BeginInvoke(new AsyncMethodParameterObject(sleepMS), ar =>
{ //回调函数写成了lambda形式
// Retrieve the delegate.
AsyncResult result = (AsyncResult)ar;
asyncDelegate caller = (asyncDelegate)result.AsyncDelegate;
// Retrieve the format string that was passed as state information.
AsyncObjectStateClass asyncObjectState = (AsyncObjectStateClass)ar.AsyncState;//通过AsyncState获取传入的object
// Call EndInvoke to retrieve the results.
AsyncMethodReturnObject asyncMethodReturnObject = caller.EndInvoke(ar);
//MessageBox.Show(formatString.ToString() + "\n\r" + returnValue);
}, new AsyncObjectStateClass("Return String"));
});
}
}