[CLOSED] Checking the header checkbox automatically.

  1. #1

    [CLOSED] Checking the header checkbox automatically.

    I am using checkbox selction model in a grid. And am checking some of the rows during the page load using the below code:

     RowSelectionModel sm = this.grdTier3Mapping.SelectionModel.Primary as RowSelectionModel;
                sm.SelectedRow = new SelectedRow(2);           
                sm.SelectedRows.Add(new SelectedRow(1));
               sm.SelectedRows.Add(new SelectedRow(2));
    The above code is working fine. But when I check all the rows during the page load, the header check box is not getting checked automatically. How can i get that done.
    Last edited by Daniil; May 13, 2015 at 8:24 AM. Reason: [CLOSED]
  2. #2
    Hi @arjunrvasisht,

    The header checkbox is checked in this example. Please provide your test case.

    Example
    <%@ Page Language="C#" %>
    
    <script runat="server">
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!X.IsAjaxRequest)
            {
                Store store = this.GridPanel1.GetStore();
                store.DataSource = new object[] 
                { 
                    new object[] { "test", "test" },
                    new object[] { "test", "test" },
                    new object[] { "test", "test" }
                };
    
                this.CheckboxSelectionModel1.SelectedRows.Add(new SelectedRow(0));
                this.CheckboxSelectionModel1.SelectedRows.Add(new SelectedRow(1));
                this.CheckboxSelectionModel1.SelectedRows.Add(new SelectedRow(2));
            }
        }
    </script>
    
    <!DOCTYPE html>
    
    <html>
    <head runat="server">
        <title>Ext.NET v2 Example</title>
    </head>
    <body>
        <form runat="server">
            <ext:ResourceManager runat="server" />
    
            <ext:GridPanel ID="GridPanel1" runat="server">
                <Store>
                    <ext:Store runat="server">
                        <Model>
                            <ext:Model runat="server">
                                <Fields>
                                    <ext:ModelField Name="test1" />
                                    <ext:ModelField Name="test2" />
                                </Fields>
                            </ext:Model>
                        </Model>
                    </ext:Store>
                </Store>
                <ColumnModel runat="server">
                    <Columns>
                        <ext:Column runat="server" Text="Test 1" DataIndex="test1" />
                        <ext:Column runat="server" Text="Test 2" DataIndex="test2" />
                    </Columns>
                </ColumnModel>
                <SelectionModel>
                    <ext:CheckboxSelectionModel ID="CheckboxSelectionModel1" runat="server" />
                </SelectionModel>
            </ext:GridPanel>
        </form>
    </body>
    </html>

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