runat =server
或者通过ajax

解决方案 »

  1.   

    <input  type="text" id="tbxSingle"  name="tbxSingle" runat="server"  value="0" onkeyup="JavaScript:checkValue(this)"  onblur="JavaScript:calculateTotal()"> <asp:Button ID="Button2" runat="server" Text="Button" OnClick="Button2_Click" />    protected void Button2_Click(object sender, EventArgs e)
        {
            int single = 0;
            single = Convert.ToInt32(tbxSingle.Value);
            Response.Write(single);
        }
    难道就是这样?看到标题差点没进来!