foreach(DataList item in DataList1.ItemTemplate)
{
Image img1 =(Image) item.FindControl("Image1");
img1.Visible = false;
}
提示:“--------------------------------------------------------------------------------无法将类型为“System.Web.UI.WebControls.DataListItem”的对象强制转换为类型“System.Web.UI.WebControls.DataList”。”
这个错误 是咋回事?
{
Image img1 =(Image) item.FindControl("Image1");
img1.Visible = false;
}
提示:“--------------------------------------------------------------------------------无法将类型为“System.Web.UI.WebControls.DataListItem”的对象强制转换为类型“System.Web.UI.WebControls.DataList”。”
这个错误 是咋回事?
{
LinkButton LBut3 = (LinkButton)e.Item.FindControl("LinkButton3");
foreach(DataListItem item in DataList1.ItemTemplate)
{
Image img1 =(Image) item.FindControl("Image1");
img1.Visible = false;
}
foreach(DataListItem item in DataList1.Items)
{
Image img1 =(Image) item.FindControl("Image1");
img1.Visible = false;
}
{
Image img1 = (Image)item.FindControl("Image1");
img1.Visible = false;
}这样也不对啊
{
Image img1 = (Image)item.FindControl("Image1");
img1.Visible = false;
}