索引超出了数组界限

<body bgcolor="skyblue">
    <form id="form1" runat="server">
    <%
        int loopl;
        NameValueCollection coll = Request.Form;
        string[] arr1 = coll.AllKeys;
        string[] arr2 = coll.GetValues(arr1[0]);
        Response.Write("用户名为：" + arr2[0] + "<br>");
        for (int i = 1; i < 11; i++)
        {
            arr2 = coll.GetValues(arr1[i]);
            Response.Write(i + arr2[0] + "<br>");
        }

    %>
    </form>
</body>
运行时显示
string[] arr2 = coll.GetValues(arr1[0]);
索引超出了数组界限

解决方案 »

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NameValueCollection coll = Request.Form;
string[] arr1 = coll.AllKeys;
ArrayList list = new ArrayList();
//循环将参数值放入ArrayList
for (int i = 0; i < arr1.Length; i++)
{
   String[] values = coll.GetValues(arr1[i]);
   for (int j = 0; j < values.Length; j++)
   {
        list.Add(values[j]);
   }
}