How Can I Pass A Textbox Value To An Input Box To Be Able To Do Operations In Javasrcip

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I have this textbox ...

C#

<asp:TextBox ID="TextBoxlabo" runat="server">

then i want to pass whatever ill put in it, to an input like this one ..
&

C#

lt;input id="txt_p5" type="text" name="txt_p5" />

i ve done in the other way using get and creating a string var but in the case i desire didnt works, if someone could help ill apreciate it so much please .

this is my example to pass an input box to a label asp.net

class 1 call PrincipalAgregados

C#

public string Prueba1
        {
            get
            {
                String C3 = "";
                C3 = Request.Form["txt_p1"].ToString();
                
                return C3;
            }
        }

class 2

C#

if (!IsPostBack)
            
            {
                
                
                PrincipalAgregados pag = (PrincipalAgregados)Context.Handler;

    

               
                Label_p1.Text = pag.Prueba1;
                


            }

in the other way i couldnt :(

Posted 12-Dec-14 4:28am

Member 11209288

Updated 12-Dec-14 5:19am

Shweta N Mishra

v2

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Comments

ZurdoDev 12-Dec-14 11:45am

You need runat=server to be able to access an object through C#.

What exactly is your question?

Anisuzzaman Sumon 12-Dec-14 23:18pm

You are right!

2 solutions

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Anisuzzaman Sumon · Answer 1 · 2014-12-12T17:26:00

Is your input field and TextBox in same page or different I guess both are in same page.If they are not in same page you can apply little trick according to this solution.
You need to add runat="server" in your input as well as add id to it simultaneously you have to add OnTextChanged event and AutoPostBack="true" to the property of your TextBox as it is run at server then you can copy using code behind code give below
Code in ASPX:

ASP

<form id="form1" runat="server">
<div>

<asp:textbox id="atxt" ontextchanged="atxt_TextChanged" autopostback="true" runat="server" ></asp:textbox>
</div>
<input id="aID" type="text" runat="server" name="ainput" />
</form>

Code behind in .cs:

C#

protected void atxt_TextChanged(object sender, EventArgs e)
     {
         aID.Value = atxt.Text;

     }

ZurdoDev · Answer 2 · 2014-12-13T03:52:00

Solution 2

As mentioned in the comments, you'll need to add runat="server" on any control you want to access in C#.

Posted 13-Dec-14 3:52am

ZurdoDev