silverlight .net后台控制aspx页面控件的显示与隐藏，动态给控件赋值，选定默认值的设定
.net后台代码：
控件的显示与隐藏：
this.dateStart.Visibility =
Visibility.Collapsed;//不显示控件
this.dateYear.Visibility =
Visibility.Visible;//显示控件
设置控件位置：
this.oildomName.Margin = new Thickness(167, 12, 0,
0);
this.oildomNameList.Margin = new Thickness(212, 12, 0,
0);
this.btnQuery.Margin = new Thickness(322, 12, 0,
0);
this.btnBack.Margin = new Thickness(407, 12, 0, 0);
控件赋值，选定值的设定：
for (int ii = DateTime.Today.Year; ii >= 1980;
ii--)
{
string item = string.Format("{0}年",
ii.ToString());
//
this.dateYear.Items.Add(item);
if (item !=
sClickReportDate)
{
this.dateYear.Items.Add(item);
}
else
{
ComboBoxItem cbi1 = new
ComboBoxItem();
cbi1.SetValue(ComboBoxItem.ContentProperty,
sClickReportDate);
this.dateYear.Items.Add(cbi1);
//下拉框赋选定值
this.dateYear.SelectedItem =
cbi1;
}
}
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