Feb 18, 2015, 7:01 AM
[CLOSED] Multi Selector throws exception while removinig last item
Hi,
We implemented MultiSelector in our application and found some exception. Refer the code:
1) Remove the records in Multiselector one by one.
2) On removal of last record from the control, an exception is occurs as mentioned in the attached screenshot.
Please verify and revert back.
We implemented MultiSelector in our application and found some exception. Refer the code:
<%@ Page Language="C#" %>
<script runat="server">
protected void Page_Load(object sender, EventArgs e)
{
if (!X.IsAjaxRequest)
{
this.BindData();
}
}
private void BindData()
{
string[] firstNames = new string[] { "Russel", "Clark", "Steve", "Sam", "Lance", "Robert", "Sean", "David", "Justin", "Nicolas", "Brent" };
string[] lastNames = new string[] { "Wood", "Lewis", "Scott", "Parker", "Ross", "Garcia", "Bell", "Kelly", "Powell", "Moore", "Cook" };
var data = new List<object>();
var rand = 37;
int k;
int id = 0;
for (int i = 0; i < lastNames.Length; ++i)
{
var map = new Dictionary<string, int>();
var s = firstNames[i];
data.Add(new
{
ID = ++id,
Forename = s,
Surname = lastNames[i]
});
map[s] = 1;
for (int j = 0; j < 3; ++j)
{
do
{
k = rand % firstNames.Length;
rand = rand * 1664525 + 1013904223; // basic LCG but repeatable
rand &= 0x7FFFFFFF;
s = firstNames[k];
} while (map.ContainsKey(s));
map[s] = 1;
data.Add(new
{
ID = ++id,
Forename = s,
Surname = lastNames[i]
});
}
}
this.Store1.DataSource = data;
this.Store2.DataSource = data.GetRange(1, 3);
}
protected void OnClick(object sender, DirectEventArgs e)
{
var values = Selector1.Values;
if (values != null && values.Keys.Count > 0)
{
StringBuilder sb = new StringBuilder();
foreach (var empl in values)
{
sb.Append(empl.Value).Append("<br/>");
}
X.Msg.Alert("Selected employess", sb.ToString()).Show();
}
else
{
X.Msg.Alert("Selected employess", "No employees").Show();
}
}
</script>
<!DOCTYPE html>
<html>
<head id="Head1" runat="server">
<title>MultiSelector - Ext.NET Examples</title>
<link href="/resources/css/examples.css" rel="stylesheet" />
</head>
<body>
<form id="Form1" runat="server">
<ext:ResourceManager ID="ResourceManager1" runat="server" />
<h1>MultiSelector</h1>
<ext:Model ID="Model1" runat="server" Name="Employee" IDProperty="ID">
<Fields>
<ext:ModelField Name="ID" />
<ext:ModelField Name="Forename" />
<ext:ModelField Name="Surname" />
<ext:ModelField Name="Name">
<Convert Handler="return record.get('Forename') + ' ' + record.get('Surname'); " />
</ext:ModelField>
</Fields>
</ext:Model>
<ext:MultiSelector
runat="server"
ID="Selector1"
Width="400"
Height="300"
Title="Selected Employees"
FieldName="Name">
<Store>
<ext:Store ID="Store2" runat="server" ModelName="Employee" ShowWarningOnFailure="false" />
</Store>
<ViewConfig DeferEmptyText="false" EmptyText="No employees selected" />
<Search>
<ext:MultiSelectorSearch ID="MultiSelectorSearch1" runat="server" Field="Name">
<SearchGridConfig ID="SearchGridConfig1" runat="server" BufferedRenderer="false" />
<Store>
<ext:Store ID="Store1" runat="server" ModelName="Employee" ShowWarningOnFailure="false">
<Sorters>
<ext:DataSorter Property="Name" />
</Sorters>
</ext:Store>
</Store>
</ext:MultiSelectorSearch>
</Search>
<Buttons>
<ext:Button ID="Button1" runat="server" Text="Show value" OnDirectClick="OnClick" />
</Buttons>
</ext:MultiSelector>
</form>
</body>
</html>1) Remove the records in Multiselector one by one.
2) On removal of last record from the control, an exception is occurs as mentioned in the attached screenshot.
Please verify and revert back.
Last edited by Daniil; Feb 19, 2015 at 4:34 AM.
Reason: [CLOSED]
