i have a form with controls that show productinformation.
now i have 10 textboxes named tbxPrice1 -> tbxPrice10 .

in my artikecleobject exists a property list<articleprice> named articlepricelist that could have 0 till 10 elements.

now i want to fill my 10 textboxes in a loop against my articlepricelist property.

If the articlepricelist contains 3 elements, the first 3 textboxes tbxPrice1,tbxPrice2 and tbxPrice3 should be filled.
If the articlepricelist is empty, no textbox should be filled.

Has anybody an idea, how to do this ?

by jo

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Answered by __avd 1,826 in a post from

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Show your code. Use bb code tags - Wrap up source code with bb code tags. See # icon at toolbar.

I mocked up your class since you didn't post a definition, but try this:

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace daniweb
  public partial class frmFindControl : Form
    private List<ArticlePrice> prices;
    public frmFindControl()
      //initialize the list
      prices = new List<ArticlePrice>();
      for (int i1 = 1; i1 <= 3; i1++)
        prices.Add(new ArticlePrice(i1));
    private void button1_Click(object sender, EventArgs e)
      const string textBoxBaseName = @"textBox";
      if (prices.Count > 0)
        //repeat until we used 10 text boxes or the list ran out of elements
        for (int i1 = 1; i1 <= Math.Min(prices.Count, 10); i1++)
          string ctrlName = textBoxBaseName + i1.ToString("F0");

          TextBox tb = null;
          //Find the controls and search all child containers. Should return 1 element
          Control[] ctrls = this.Controls.Find(ctrlName, true);
          //Make sure it was found
          if ((ctrls.Length > 0) && (ctrls[0] is TextBox))
            tb = (ctrls[0] as TextBox);
          //We didnt find it
          if (tb == null)
            throw new Exception(string.Format("Could not locate text box '{0}'!", ctrlName));
          //We did find it, set the price
          tb.Text = prices[i1-1].Price.ToString("F2");

  //I mocked up a class since you didnt post your code
  public class ArticlePrice
    public decimal Price { get; set; }
    public ArticlePrice() 
      this.Price = default(decimal);
    public ArticlePrice(decimal Price)
      : this()
      this.Price = Price;

I don't see any need to know the name of TextBox because what differentiates one on one is the last number => TextBox1 and TextBox2 so I've button AddTextBox which creates and adds new TextBox

List<TextBox> TextBoxesLst = new List<TextBox>();
void AddTextBox_Click(...)
if(TextBoxesLst.Count < 10)
TextBoxesLst.Add(new TextBox());
//some UI procedures....
void SetText(int textBoxNumber, string text)
TextBoxesLst[textBoxNumber].Text = text;
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