ListItemCollection.FindByValue(String) Method

Definition

Searches the collection for a ListItem with a Value property that contains the specified value.

public System.Web.UI.WebControls.ListItem FindByValue(string value);

Parameters

value
String

The value to search for.

Returns

A ListItem that contains the value specified by the value parameter.

Examples

ListItem myListItem = SearchType.SelectedItem;
ListItem crItem = null;
String searchText = TextBox1.Text;
if(myListItem.Value == "Name")
{
    if(TextBox1.Text != "")
    {
        String searchSubfir = searchText.Substring(0,1);
        String searchSubsec = searchText.Substring(1);
        searchText = searchSubfir.ToUpper()+searchSubsec.ToLower();

        // Search by country or region name.
        crItem = ItemCollection.FindByText(searchText);
    }
}
else
{
    // Search by country or region code.
    crItem = ItemCollection.FindByValue(searchText.ToUpper());
}

String str = "Search is successful. Match is Found.<br />";
str =str + "The results for search string '" + searchText + "' are:<br />";
str = str + "the country or region code is " + crItem.Value + "<br />";
str = str + "the country or region name is " + crItem.Text;

// Add the string to the label.
Label1.Text = str;

Remarks

Use the FindByValue method to search the collection for a ListItem with a Value property that contains value specified by the value parameter. This method performs a case-sensitive and culture-insensitive comparison. This method does not do partial searches or wildcard searches. If an item is not found in the collection using this criteria, null is returned.

Applies to

Product Versions
.NET Framework 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1

See also