本文整理汇总了C#中System.Web.UI.WebControls.ListItemCollection.Contains方法的典型用法代码示例。如果您正苦于以下问题：C# ListItemCollection.Contains方法的具体用法？C# ListItemCollection.Contains怎么用？C# ListItemCollection.Contains使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Web.UI.WebControls.ListItemCollection的用法示例。
在下文中一共展示了ListItemCollection.Contains方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Methods
public void Methods ()
{
ListItemCollection c;
ListItem i;
ListItem i2;
c = new ListItemCollection();
Assert.AreEqual (0, c.Count, "T1");
i = new ListItem("Item 1", "10");
c.Add(i);
Assert.AreEqual (1, c.Count, "T2");
i = new ListItem("This is item 2", "20");
c.Add(i);
Assert.AreEqual (2, c.Count, "T3");
Assert.AreEqual (null, c.FindByText(" is "), "T4");
Assert.AreEqual (i.Text, c.FindByText("This is item 2").Text, "T5");
Assert.AreSame (i, c.FindByText("This is item 2"), "T6");
Assert.AreEqual (1, c.IndexOf(c.FindByText("This is item 2")), "T7");
Assert.AreEqual (1, c.IndexOf(c.FindByValue("20")), "T8");
i = new ListItem("Item 3", "30");
Assert.IsFalse(c.Contains(i), "T9");
c.Add(i);
Assert.IsTrue(c.Contains(i), "T10");
i = new ListItem("Forth", "40");
i2 = new ListItem("Fifth", "50");
c.AddRange(new ListItem[] {i, i2});
Assert.AreEqual (5, c.Count, "T11");
c.RemoveAt(1);
Assert.AreEqual (4, c.Count, "T12");
Assert.AreEqual (null, c.FindByText("This is item 2"), "T13");
c.Clear();
Assert.AreEqual (0, c.Count, "T13");
}示例2: ContainsTest
public void ContainsTest ()
{
ListItemCollection c;
ListItem i;
ListItem i2;
c = new ListItemCollection();
i = new ListItem("Item 1", "1");
i2 = new ListItem("Item 2", "2");
c.Add(i);
c.Add(i2);
i2 = new ListItem("Item 1", "1");
// test same vs equal
Assert.AreEqual (true, c.Contains(i), "C1");
Assert.AreEqual (true, c.Contains(i2), "C2");
}示例3: BuscaUsuario
protected void BuscaUsuario()
{
try
{
IUsuarios negocio = new BusinessLogic();
USUARIO userSesion = Session["userToModify"] as USUARIO;
USUARIO usuario = negocio.BuscaUsuarioRol(userSesion.NOMBRECOMPLETO);
lblNombreUsuario.Text = userSesion.NOMBRECOMPLETO;
List<ROL> roles = Session["Roles"] as List<ROL>;
ListItemCollection collection = new ListItemCollection();
ListItem item = null;
if (usuario == null)
{
collection.Clear();
foreach (ListItem valor in rblPerfiles.Items)
{
item = new ListItem { Text=valor.Text,Value=valor.Value};
collection.Add(item);
}
rblPerfiles.Items.Clear();
foreach (ListItem valor in collection)
rblPerfiles.Items.Add(valor);
throw new Exception("Usuario no encontrado");
}
Session.Add("UsuarioBuscado", usuario);
collection.Clear();
usuario.ROLUSUARIO.ToList().OrderBy(rol => rol.IDROL).ToList().ForEach(rolSelected =>
{
roles.OrderBy(rol => rol.IDROL).ToList().ForEach(rol =>
{
if (rol.IDROL == rolSelected.IDROL)
{
item = new ListItem
{
Text = rol.DESCRIPCIONROL,
Value = rol.IDROL.ToString(),
Selected = true
};
}
else
{
item = new ListItem
{
Text = rol.DESCRIPCIONROL,
Value = rol.IDROL.ToString()
};
}
if(!collection.Contains(item))
collection.Add(item);
});
});
if (collection.Count > 0)
{
rblPerfiles.Items.Clear();
foreach (ListItem valor in collection)
rblPerfiles.Items.Add(valor);
}
}
catch (Exception ex)
{
MostrarError(ex.Message);
}
}