public void Deny_Unrestricted()
{
DataBindingCollection dbc = new DataBindingCollection();
Assert.AreEqual(0, dbc.Count, "Count");
Assert.IsFalse(dbc.IsReadOnly, "IsReadOnly");
Assert.IsFalse(dbc.IsSynchronized, "IsSynchronized");
dbc.Add(db);
Assert.AreSame(db, dbc["property"], "this[string]");
Assert.IsNotNull(dbc.RemovedBindings, "RemovedBindings");
Assert.IsNotNull(dbc.SyncRoot, "SyncRoot");
Assert.IsNotNull(dbc.GetEnumerator(), "GetEnumerator");
dbc.CopyTo(new DataBinding[1], 0);
dbc.Clear();
dbc.Add(db);
dbc.Remove(db);
dbc.Add(db);
dbc.Remove("property");
dbc.Remove("property", true);
dbc.Changed += new EventHandler(Handler);
Assert.IsFalse(dbc.Contains("property"), "Contains");
dbc.Changed -= new EventHandler(Handler);
}
/// <summary>
/// <para>
/// Persists the data bindings of the specified control using the specified
/// string writer.
/// </para>
/// </summary>
/// <param name='sw'>
/// The string writer to use.
/// </param>
/// <param name=' control'>
/// The control to use.
/// </param>
private static void PersistDataBindings(TextWriter sw, Control control)
{
DataBindingCollection bindings = ((IDataBindingsAccessor)control).DataBindings;
IEnumerator bindingEnum = bindings.GetEnumerator();
while (bindingEnum.MoveNext())
{
DataBinding db = (DataBinding)bindingEnum.Current;
string persistPropName = db.PropertyName.Replace('.', '-');
sw.Write(" ");
sw.Write(persistPropName);
sw.Write("='<%# ");
sw.Write(HttpUtility.HtmlEncode(db.Expression));
sw.Write(" %>'");
}
}
protected override void OnBindingsCollectionChanged(string propName)
{
// This method actually forms an DataBindingExpression of the design time and associates it to the Property of the Control.
IHtmlControlDesignerBehavior myHtmlControlDesignBehavior = Behavior;
DataBindingCollection myDataBindingCollection;
DataBinding myDataBinding1, myDataBinding2;
String myStringReplace1, myDataBindingExpression1, removedBinding, removedBindingAfterReplace, myDataBindingExpression2, myStringReplace2;
string[] removedBindings1, removedBindings2;
Int32 temp;
IEnumerator myEnumerator;
if (myHtmlControlDesignBehavior == null)
{
return;
}
// <Snippet8>
DataBindingCollection myDataBindingCollection1 = new DataBindingCollection();
myDataBindingCollection1 = myDataBindingCollection = DataBindings;
// </Snippet8>
if (propName != null)
{
myDataBinding1 = myDataBindingCollection[propName];
myStringReplace1 = propName.Replace(".", "-");
if (myDataBinding1 == null)
{
myHtmlControlDesignBehavior.RemoveAttribute(myStringReplace1, true);
return;
}
// DataBinding is not null.
myDataBindingExpression1 = String.Concat("<%#", myDataBinding1.Expression, "%>");
myHtmlControlDesignBehavior.SetAttribute(myStringReplace1, myDataBindingExpression1, true);
int index = myStringReplace1.IndexOf("-");
}
else
{
// <Snippet9>
removedBindings2 = removedBindings1 = DataBindings.RemovedBindings;
// </Snippet9>
temp = 0;
while (removedBindings2.Length > temp)
{
removedBinding = removedBindings2[temp];
removedBindingAfterReplace = removedBinding.Replace('.', '-');
myHtmlControlDesignBehavior.RemoveAttribute(removedBindingAfterReplace, true);
temp = temp + 1;
}
// <Snippet10>
myDataBindingCollection = DataBindings;
myEnumerator = myDataBindingCollection.GetEnumerator();
while (myEnumerator.MoveNext())
{
// <Snippet11>
// <Snippet12>
myDataBinding2 = (DataBinding)myEnumerator.Current;
String dataBindingOutput1, dataBindingOutput2, dataBindingOutput3;
dataBindingOutput1 = String.Concat("The property name is ", myDataBinding2.PropertyName);
dataBindingOutput2 = String.Concat("The property type is ", myDataBinding2.PropertyType.ToString(), "-", dataBindingOutput1);
dataBindingOutput3 = String.Concat("The expression is ", myDataBinding2.Expression, "-", dataBindingOutput2);
WriteToFile(dataBindingOutput3);
// </Snippet12>
// </Snippet11>
myDataBindingExpression2 = String.Concat("<%#", myDataBinding2.Expression, "%>");
myStringReplace2 = myDataBinding2.PropertyName.Replace(".", "-");
myHtmlControlDesignBehavior.SetAttribute(myStringReplace2, myDataBindingExpression2, true);
int index = myStringReplace2.IndexOf('-');
}// while loop ends
// </Snippet10>
// <Snippet13>
// <Snippet14>
// <Snippet15>
string dataBindingOutput4, dataBindingOutput5, dataBindingOutput6, dataBindingOutput7, dataBindingOutput8;
dataBindingOutput4 = String.Concat("The Count of the collection is ", myDataBindingCollection1.Count);
dataBindingOutput5 = String.Concat("The IsSynchronised property of the collection is ", myDataBindingCollection1.IsSynchronized, "-", dataBindingOutput4);
dataBindingOutput6 = String.Concat("The IsReadOnly property of the collection is ", myDataBindingCollection1.IsReadOnly, "-", dataBindingOutput5);
WriteToFile(dataBindingOutput6);
// </Snippet15>
// </Snippet14>
// </Snippet13>
// <Snippet16>
System.Array dataBindingCollectionArray = Array.CreateInstance(typeof(object), myDataBindingCollection1.Count);
myDataBindingCollection1.CopyTo(dataBindingCollectionArray, 0);
dataBindingOutput7 = String.Concat("The count of DataBindingArray is ", dataBindingCollectionArray.Length);
WriteToFile(dataBindingOutput7);
// </Snippet16>
IEnumerator myEnumerator1 = myDataBindingCollection1.GetEnumerator();
if (myEnumerator1.MoveNext())
{
// <Snippet17>
myDataBinding1 = (DataBinding)myEnumerator1.Current;
dataBindingOutput8 = String.Concat("The HashCode is", myDataBinding1.GetHashCode().ToString());
WriteToFile(dataBindingOutput8);
// <Snippet18>
myDataBindingCollection1.Remove(myDataBinding1);
dataBindingOutput8 = String.Concat("The Count of the collection after DataBinding is removed is ", myDataBindingCollection1.Count);
WriteToFile(dataBindingOutput8);
// </Snippet18>
// </Snippet17>
}
else
{
myDataBinding1 = (DataBinding)myEnumerator1.Current;
// <Snippet19>
myDataBindingCollection1.Remove("Text", true);
dataBindingOutput8 = String.Concat("The Count of the collection after DataBinding is removed is ", myDataBindingCollection1.Count);
WriteToFile(dataBindingOutput8);
// </Snippet19>
// <Snippet20>
myDataBindingCollection1.Clear();
dataBindingOutput8 = String.Concat("The Count of the collection after clear method is called ", myDataBindingCollection1.Count);
WriteToFile(dataBindingOutput8);
// </Snippet20>
}
} // else ends here.
}