清除 C# 中的下拉列表
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Clearing a drop down list in C#
提问by Mateo eMayo
I truly do hate to ask such a crayon-question... I'm trying to clear, not remove a drop down combo list in VSC#. My ddl lets the user choose the payRate of an employee. I've researched everywhere, even here, and everything suggests using..
我真的很讨厌问这样一个蜡笔问题......我试图清除，而不是删除 VSC# 中的下拉组合列表。我的 ddl 允许用户选择员工的 payRate。我到处都在研究，甚至在这里，一切都建议使用..
cmboPayRate.Items.Clear(); .. or
cmboPayRate.SelectedIndex = - 1;
I even threw in
我什至扔进去
cmboPayRate.SelectedItem = -1;
for safe measure. Nothing working. Again, I know this is easy(should be), but not working for me. Any suggestions would be greatly appreciated.
为安全措施。没有任何作用。同样，我知道这很容易（应该是），但对我不起作用。任何建议将不胜感激。
Thanks -Matt.
谢谢 - 马特。
回答by Damith
you can do as below
你可以做如下
while(cmboPayRate.Items.Count>0)
cmboPayRate.Items.RemoveAt(0);
回答by Segan
try
尝试
DropDownList1.Items.Clear();
No hidden and clear the Drop Down List.
没有隐藏和清除下拉列表。
