asp.net中,在textbox添加文字然后点击按钮就会将文字添加到DropDownList控件的按钮上的代码怎么写

如题所述

<head id="Head1" runat="server">
<title>无标题页</title>
<script type="text/javascript">
function AddInputArea()
{
var div = document.createElement("<div>");
div.innerHTML = "<table><tr><td>材料名称</td><td><input type='text' name='inputName' /></td></tr><tr><td>材料数量</td><td><input type='text' name='inputSum' /></td></tr></table>";
document.getElementById("Content").appendChild(div);
}
function GetAddInput()
{
var names = document.getElementsByName("inputName");
if(names.length == 0)
{
alert("没有可用的信息!");
return false;
}
genders = document.getElementsByName("inputSum");
for(var i = 0;i < names.length; i ++)
{
document.getElementById("names").value += names[i].value + ",";
document.getElementById("sums").value += genders[i].value + ",";
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div id="Content"> </div>
<asp:HiddenField ID="names" runat="server" />
<asp:HiddenField ID="sums" runat="server" />
<input type="button" value="增加" onclick="AddInputArea()" />
<asp:Button ID="btnConfirm" runat="server" Text="提交" OnClientClick="return GetAddInput()" onclick="btnConfirm_Click" />
</form>
</body>
</html>

后台代码:
protected void btnConfirm_Click(object sender, EventArgs e)
{
string[] inputNames = names.Value.TrimEnd(',').Split(',');
string[] inputSum = sums.Value.TrimEnd(',').Split(','); //这两个数组就是输入的值了
for (int i = 0; i < inputNames.Length; i++)
{
Response.Write(inputNames[i]);//循环获得的每一个材料名称
Response.Write(",");
Response.Write(inputSum[i]);//循环获得的每一个数量
Response.Write("</br>"); //改成写入数据库就行了
}

}
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第1个回答  2016-03-24
dropdownlist.items.add(textbox.text); 自己注意大小写