将文本框中的数据复制到文本框MVC中的另一个数据。 [英] Copy data from textbox to another data in textbox MVC .

问题描述

大家好我有两个这样的文本框

hi all I have two textbox like that

 @Html.TextBox("Title",null, new { @class = "name_input", @id = "Title" })

@Html.TextBox("LongUrlText", "http://www.darwish.ps/"+ pageID + "/Details/" + Model.ID + (I need here to add the value which come from the textbox Title)"/" + Model.Title.ToSeoUrl(), new { @class = "name_input", @id = "LongUrlText", @readonly = 
"readonly" })

我想将来自文本框标题的值添加到已经存在的数据中在文本框中LongUrlText请帮助我解答一下。



我尝试过：



我试图使用这个脚本，但它清除了文本框longurltext中的所有数据，我不想清除数据，我只是想完成从标题文本框到它的数据。

I want to add the value whih come from textbox Title to the data which already existed in textbox LongUrlText help me please to ahcieve that .

What I have tried:

I tried to use use this script but it clear all data from the textbox longurltext and I don't want to clear data I just want to complete the the data which come from Title textbox into it .

@*<script>

     document.getElementById("Title").onkeyup = function () {
     document.getElementById("LongUrlText2").value = this.value;
     };
 </script>*@

推荐答案

试试这个

Try this

<script>
           var initialValue = document.getElementById("LongUrlText2").value;
           document.getElementById("Title").onkeyup = function () {
               document.getElementById("LongUrlText2").value = initialValue + this.value;
           };

   </script>

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