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void ChannelRepeater_ItemDataBound(object sender, RepeaterItemEventArgs e)
{
if (ListItemType.Item == e.Item.ItemType || e.Item.ItemType == ListItemType.AlternatingItem)
{
DataRowView drv = e.Item.DataItem as DataRowView;
DataTable dt = GetKeywords(drv["ID"]);
TextBox tb = e.Item.FindControl("KeyWords");
SetVal(ref tb,ref dt)
}
void SetVal(ref TextBox tb,ref DataTable dt){
tb.Text = ""; //设置空值也会报错。
}