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Feb 19th, 2019
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  1. IEnumerable<TextBox> textBoxes = myTextBoxPanel
  2. .OfType<TextBox>()
  3. .Where(txt => txt.Id.StartsWith("TextBox"+ ddlDimension.SelectedValue));
  4.  
  5. foreach(TextBox txt in textBoxes)
  6. {
  7. txt.Text = "You selected Dimension: " + ddlDimension.SelectedItem.Text;
  8. }
  9.  
  10. protected void ddlDimension_SelectedIndexChanged(object sender, EventArgs e){
  11.  
  12. for (int i = 1; i < int32.parse(ddlDimension.SelectedValue); i++)
  13. {
  14. TextBox txt1 = new TextBox();
  15. txt1.ID = "txt" + i.ToString();
  16. this.form1.Controls.AddAt(i, txt1);
  17.  
  18. }
  19. }
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