GridDesktopでのローディングイベント
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GridDesktopのローディングイベント
次のサンプルコードは、ファイルをインポートする際にGridDesktopでローディングイベントを使用する方法を示しています。サンプルエクセルファイル をご確認ください。
ファイルはパスワードで保護されています。最初に間違ったパスワードで開こうとし、最終的にFailLoadFileイベントで正しいパスワードを使用して開きます。
サンプルコード
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public partial class loadingevent : basicForm | |
{ | |
public loadingevent() | |
{ | |
InitializeComponent(); | |
gridDesktop1.Width = 800; | |
gridDesktop1.Height = 800; | |
gridDesktop1.ShowImportMessage = false; | |
this.gridDesktop1.FailLoadFile += GridDesktop1_FailLoadFile; | |
this.gridDesktop1.FinishLoadFile += GridDesktop1_FinishLoadFile; | |
this.gridDesktop1.FinishCalculate += GridDesktop1_FinishCalculate; | |
this.gridDesktop1.BeforeLoadFile += GridDesktop1_BeforeLoadFile; | |
this.gridDesktop1.BeforeCalculate += GridDesktop1_BeforeCalculate; | |
gridDesktop1.ImportExcelFile(LoadingHelper.getTestFile("loading-event.xlsx"), "wrongpassword", null, true, true); | |
this.Text = " load event test"; | |
} | |
private void GridDesktop1_BeforeCalculate(object sender, Aspose.Cells.GridDesktop.WorkBookEvents args) | |
{ | |
string value = this.gridDesktop1.GetActiveWorksheet().Cells["B5"].StringValue; | |
this.gridDesktop1.GetActiveWorksheet().Cells["B5"].PutValue(value + " -> before calculate, \n"); | |
} | |
private void GridDesktop1_BeforeLoadFile(object sender, Aspose.Cells.GridDesktop.WorkBookEvents args) | |
{ | |
string value = this.gridDesktop1.GetActiveWorksheet().Cells["B5"].StringValue; | |
this.gridDesktop1.GetActiveWorksheet().Cells["B5"].PutValue(value + " -> before loadfile, \n"); | |
} | |
private void GridDesktop1_FinishCalculate(object sender, Aspose.Cells.GridDesktop.WorkBookEvents args) | |
{ | |
string value = this.gridDesktop1.GetActiveWorksheet().Cells["B5"].StringValue; | |
this.gridDesktop1.GetActiveWorksheet().Cells["B5"].PutValue(value + " -> finish calculate, \n"); | |
} | |
private void GridDesktop1_FinishLoadFile(object sender, Aspose.Cells.GridDesktop.WorkBookEvents args) | |
{ | |
string value = this.gridDesktop1.GetActiveWorksheet().Cells["B5"].StringValue; | |
this.gridDesktop1.GetActiveWorksheet().Cells["B5"].PutValue(value + " -> finish loadfile, \n"); | |
} | |
private void GridDesktop1_FailLoadFile(object sender, String s) | |
{//try correct password | |
MessageBox.Show("fail load the file "+s+",now we try another password"); | |
gridDesktop1.ImportExcelFile(LoadingHelper.getTestFile("loading-event.xlsx"), "pwd456", null, false, true); | |
} | |
} | |
} |