var items = rptList.Items;//获取Repeater控件的所有项
foreach (RepeaterItem item in items)//遍历每一项内容
{
var tb = item.FindControl("tbLending") as TextBox;
string lend_con = tb.Text.ToString();
}
原文：http://www.cnblogs.com/itboy-2009/p/4330377.html