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using System;
using System.Collections.Generic;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class _default : System.Web.UI.Page
{
protected void Page_Load (object sender, EventArgs e)
{
var list = new List<string> {
"One",
"Two",
"Three"
};
try {
GetUniqueIDRelativeTo (null);
} catch (ArgumentNullException ex) {
log.InnerText += String.Format ("Page; Relative to: null; Result: exception {0} (expected)\n", ex.GetType ());
} catch (Exception ex) {
log.InnerText += String.Format ("Page; Relative to: null; Result: exception {0}\n", ex.GetType ());
}
var ctl = new Control ();
try {
ctl.GetUniqueIDRelativeTo (this);
} catch (InvalidOperationException ex) {
log.InnerText += String.Format ("A control; Relative to: {0}; Result: exception {1} (expected)\n", this.UniqueID, ex.GetType ());
} catch (Exception ex) {
log.InnerText += String.Format ("A control; Relative to: {0}; Result: exception {1}\n", this.UniqueID, ex.GetType ());
}
try {
textBox1.GetUniqueIDRelativeTo (this);
} catch (InvalidOperationException ex) {
log.InnerText += String.Format ("TextBox; Relative to: {0}; Result: exception {1} (expected)\n", this.UniqueID, ex.GetType ());
} catch (Exception ex) {
log.InnerText += String.Format ("TextBox; Relative to: {0}; Result: exception {1}\n", this.UniqueID, ex.GetType ());
}
repeater1.DataSource = list;
repeater1.DataBind ();
}
protected void OnItemDataBound_Repeater1 (object sender, RepeaterItemEventArgs args)
{
if (args.Item.ItemType == ListItemType.Separator)
return;
int index = args.Item.ItemIndex;
var sb = new StringBuilder ();
Label label = args.Item.FindControl ("label1") as Label;
string id = label.GetUniqueIDRelativeTo (args.Item);
LogItem (index, label, args.Item, sb);
id = label.GetUniqueIDRelativeTo (repeater1);
LogItem (index, label, repeater1, sb);
try {
id = label.GetUniqueIDRelativeTo (this);
} catch (InvalidOperationException ex) {
sb.AppendFormat ("Item: {0}; Relative to: {1}; Result: exception {2} (expected)\n", args.Item.ItemIndex, this.UniqueID, ex.GetType ());
} catch (Exception ex) {
sb.AppendFormat ("Item: {0}; Relative to: {1}; Result: exception {2}\n", args.Item.ItemIndex, this.UniqueID, ex.GetType ());
}
log.InnerText += sb.ToString ();
int listStart = index * 3;
var list = new List<int> {
listStart,
listStart + 1,
listStart + 2
};
Repeater innerRepeater = args.Item.FindControl ("innerRepeater1") as Repeater;
innerRepeater.DataSource = list;
innerRepeater.DataBind ();
}
protected void OnItemDataBound_InnerRepeater1 (object sender, RepeaterItemEventArgs args)
{
if (args.Item.ItemType == ListItemType.Separator)
return;
int index = args.Item.ItemIndex;
var sb = new StringBuilder ();
Label label = args.Item.FindControl ("innerLabel1") as Label;
string id = label.GetUniqueIDRelativeTo (args.Item);
LogItem (index, label, args.Item, sb, "\t");
id = label.GetUniqueIDRelativeTo (repeater1);
LogItem (index, label, repeater1, sb, "\t");
id = label.GetUniqueIDRelativeTo (args.Item.Parent);
LogItem (index, label, args.Item.Parent, sb, "\t");
try {
id = label.GetUniqueIDRelativeTo (this);
} catch (InvalidOperationException ex) {
sb.AppendFormat ("\tItem: {0}; Relative to: {1}; Result: exception {2} (expected)\n", args.Item.ItemIndex, this.UniqueID, ex.GetType ());
} catch (Exception ex) {
sb.AppendFormat ("\tItem: {0}; Relative to: {1}; Result: exception {2}\n", args.Item.ItemIndex, this.UniqueID, ex.GetType ());
}
log.InnerText += sb.ToString ();
}
void LogItem (int index, Control ctl, Control relativeTo, StringBuilder sb, string indent = "")
{
string id = ctl.GetUniqueIDRelativeTo (relativeTo);
sb.AppendFormat ("{0}Item: {1}; Relative to: {2}; Result: '{3}'\n", indent, index, relativeTo.UniqueID, id);
}
}
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