[CLOSED] Finding number of columns of the child grid in multilevel grid

[randhir]

How to find the number of columns in the recently created grid level in multilevel grid. I want that in the success event of the directmethod call to BuildLeve in javascript.

function loadLevel(expander, record, body, row) {
    if (body.rendered) { return; }
    if (record.data.ChildCount === 0) { return false; }
    
    if (record.get('UrlContactMailTo')) {
        record.data.UrlContactMailTo = '';
    }

    Ext.net.DirectMethods.ControlProxy.BuildLevel(expander.level + 1, record.id, expander.grid.id, record.data, expander.changeHeader, {
        eventMask: { showMask: true, msg: localeLang.loadText, tartget: "customtarget", customtarget: expander.grid.body },
        success: function () { Ext.net.Mask.hide(); body.parentElement.colSpan = body.parentElement.colSpan + 1; body.rendered = true; },
        failure: function (errorMsg) { var m = !Ext.isEmpty(errorMsg) ? errorMsg.substring(0, 1000) : ''; directEventFailure('loadLevel BuildLevel ' + m); }
    });

};



<DirectMethod()> _
        Public Sub BuildLevel(iLevel As Integer, sRecordID As String, sGridID As String, oRecord As String, bChangeHeader As String)

            Dim sStoreID As String = String.Format("L{0}_Store_{1}", iLevel, sRecordID)
            Dim sNewGridID As String = String.Format("L{0}_Grid_{1}", iLevel, sRecordID)

            Me.mRecord = oRecord
            '// ---------------- Store Creation -------------------------
            '// Create the reader and add records based on the selector type
            Dim reader As ABJsonReader = GetJsonReader(iLevel, sNewGridID)

            '// Create the available Store 
            Dim oStore = GetStore(reader, sStoreID, iLevel, sRecordID, oRecord)

            '// ---------------- Grid Creation -------------------------
            Dim oGrid As New Ext.Net.GridPanel With {.ID = sNewGridID, .StoreID = sStoreID, .AutoHeight = True, .StripeRows = True, .Cls = "nested-grid"}
            GetColumns(iLevel, oGrid)

            '// ---------View And Row Explander Creation -------------------------
            Dim view = New Ext.Net.GridView() With {.ID = sNewGridID + "_View", .ForceFit = True, .ScrollOffset = 0}
            view.Listeners.BeforeRefresh.Fn = "cleanMulti"
            oGrid.View.Add(view)

            Dim oExpander = GetRowExpander(iLevel, sNewGridID)
            oExpander.ChangeHeader = (bChangeHeader = "True")
            oGrid.Plugins.Add(oExpander)

            '// --------- Store and Grid Caching -------------------------
            Dim renderEl As String = oExpander.RenderEl(sRecordID)
            Ext.Net.X.[Get](renderEl).SwallowEvent(New String() {"mousedown", "mouseup", "dblclick"}, True)

            If bChangeHeader = "True" Then

                Me.RemoveFromCache(sStoreID, sGridID, False)
                oStore.Render()
                Me.AddToCache(sStoreID, sGridID, False)

                Me.RemoveFromCache(sNewGridID, sGridID, True)
                oGrid.Render(renderEl, RenderMode.RenderTo)
                Me.AddToCache(sNewGridID, sGridID, True)

            Else

                Me.RemoveFromCache(sStoreID, sGridID)
                oStore.Render()
                Me.AddToCache(sStoreID, sGridID)

                Me.RemoveFromCache(sNewGridID, sGridID)
                oGrid.Render(renderEl, RenderMode.RenderTo)
                Me.AddToCache(sNewGridID, sGridID)

            End If

        End Sub

[Daniil]

Hi @randhir,

I would return a GridPanel's id from the DirectMethod and get a GridPanel instance inside a success handler. Having a GridPanel instance you should be able to find out an amount of its columns.

[randhir]

Hi @randhir,

I would return a GridPanel's id from the DirectMethod and get a GridPanel instance inside a success handler. Having a GridPanel instance you should be able to find out an amount of its columns.

Can you give me an example, How you will get a gridpanel instance if the name of the grid is L2_Grid_100074115

[Daniil]

I would try:

Ext.getCmp("L2_Grid_100074115")