我想將我自己設計的用戶控件加載到表單中,但是當我拖動並放置
用戶時,它會產生錯誤。請參閱我的屏幕截圖,並幫我解決
這個問題。
加載用戶控制時出錯
錯誤的位置在代碼是我提到的行號:
private void populateTransfers(bool all)
{
AccountTransfer[] accounts;
//List<ReferenceData._account> headers = ReferenceData.getIndentHeader_account();
if (all)
accounts = accountClient.getAllPendingTransfers();
else
accounts = accountClient.getPendingTransfers(Program.loggedInUser.account.id);//line no:47
if (accounts != null)
{
var query = from a in accounts
select new
{
Id = a.id,
Name=a.name,
Status = a.status,
Date = a.ludt.ToShortDateString()
};
this.gridPendingTransfers.DataSource = query.ToList();
this.gridPendingTransfers.RefreshDataSource();
}
else
{
CexAppUtil.ShowEmptyGrid("No pending transfers", this.gridPendingTransfers);
}
private void initializeData()
{
if (Program.loggedInUser != null && Program.loggedInUser.isAdmin())
{
pendingTransferOptionsPanel.Visible = true;
showAllPendingTransfers.Visible = true;
if (showAllPendingTransfers.Checked) populateTransfers(true);
else populateTransfers(false);
}
else
{
pendingTransferOptionsPanel.Visible = false;
showAllPendingTransfers.Visible = false;
populateTransfers(false);//line no:167
}
}
請幫我解決這個問題。
感謝提前。
也許'accountClient'爲null? – Fung
正在構造函數中做一些工作嗎?從構造函數中刪除所有代碼而不是InitilizeComponents()。然後創建一個新的Initilize方法,從構造函數複製代碼。你在form.load或者某個方面調用這個方法。試試吧;) – Sebi
Thanx It works @Sebi –