How I get the values properly from textboxes ASP.NET

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I have a for loop and panel on Aspx;

C#

<asp:Panel ID="Panel1" runat="server">

         <%for (int i = 0; i <= 6; i++)
          {%>
<asp:TextBox ID="tb" class="form-control"  runat="server"></asp:TextBox>

         <%} %>
   </asp:Panel>

It returns 7 texboxes and i can get values from texboxes with following code;

C#

 int j = 0;
        foreach (TextBox tbValue in Panel1.Controls.OfType<TextBox>())
        {
            xArray[j] = tbValue.Text;
j++;
        }

for example; i'm filling texboxes on html

tb1.text: Sample1
tb2.text: Sample2
tb3.text: Sample3
tb4.text: null
tb5.text: null
tb6.text: null

When i post it, tb.text returned one value as "Sample1,Sample2,Sample3,,,,"
So,
xArray[0]="Sample1,Sample2,Sample3,,,,"
xArray[1]=null
xarray[2]=null
.
.
.
It should be;
xArray[0]=Sample1
xArray[1]=Sample2
...
How can i fill properly?

What I have tried:

nothing.......................

Posted 19-Aug-16 12:20pm

Kaan Öztürk

Updated 19-Aug-16 19:29pm

v4

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2 solutions

Solution 1

Hey Buddy,
Did you notice that all your dynamically produced textboxes have the same id ? Ideally all controls in a web form should have unique id. If you try to assign unique id dynamically from aspx page, then it's not going to happen.
My suggestions:
1.) Remove this code from aspx page:

ASP.NET

 <%for (int i = 0; i <= 6; i++)
          {%>
<asp:TextBox ID="tb" class="form-control"  runat="server"></asp:TextBox>
 
         <%} %>

2.) Add below code in your code behind:

C#

for (int i = 0; i <= 6; i++)
           {
               TextBox tb = new TextBox();
               tb.ID = "tb" + i.ToString();
               tb.Attributes.Add("class", "form-control");
               Panel1.Controls.Add(tb);
           }

Voila , Now this works.

Posted 19-Aug-16 16:42pm

Mahesh Pratap Singh

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Karthik_Mahalingam · Accepted Answer · 2016-08-19T19:29:00

It wont work with Asp TextBox, try using HTML input element

ASPX

HTML

    <%for (int i = 0; i <= 6; i++)
             {%>
           <input type="text" name="txt_<%= i %>"  />

<%} %>

Code Behind

C#

protected void Button1_Click(object sender, EventArgs e)
     {
         string[]xArray =new string[7];

         for (int i = 0; i <= 6; i++)
         {
             string value = Request.Form.Get("txt_" + i);
             xArray[i] = value;
         }


     }