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Thread: Ext 4.1b3 Internet Explorer 9 Grid load performance >50 pageSize

  1. #1
    Sencha Premium User rpiwonka's Avatar
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    Default Ext 4.1b3 Internet Explorer 9 Grid load performance >50 pageSize

    I have a grid with a paging toolbar.
    IE9 takes 10-14 seconds to call the server on store.load() when I have a page size of 200 and 2-3 seconds for a page size of 50.

    Google Chrome 17.x There is only a 2 second delay even for the 200 page size.

    I turned on compatibility mode in IE9 and this delay is reduced to near Google Chrome levels.

    Thought this might help someone find the solution before the next beta.

    Unfortunately our users are 95% Internet Explorer.

    Here is the model I am using (Just to get a feel for the number of columns etc...):
    Code:
    Ext.define('AC.model.UserGrid', {
    	extend: 'Ext.data.Model',
    	fields:
    	[
    		{ name: 'UserId' }, { name: 'CustomerId' }, { name: 'UnitId' },
    		{ name: 'AgencyId' }, { name: 'LoginId' }, { name: 'LicenseKey' },
    		{ name: 'FirstName' }, { name: 'MiddleName' }, { name: 'LastName' }, { name: 'Certificates' },
    		{ name: 'EmailAddress' }, { name: 'BusinessPhone' }, { name: 'BusinessPhoneExt' },
    		{ name: 'CompanyName' },
    		{ name: 'Address' },
    		{ name: 'MobilePhone' }, { name: 'Fax' },
    		{ name: 'LogoImageName' }, { name: 'Mac' }, { name: 'Comment' }, { name: 'IsApproved' },
    		{ name: 'AccountExpiration', dateFormat: 'n/j/Y' }, { name: 'LastActivityDate' }, { name: 'LastLoginDate' },
    		{ name: 'LastPasswordChange' }, { name: 'IsLockedOut' }, { name: 'LastLockedOutDate' },
    		{ name: 'FailedPasswordAttemptCount' }, { name: 'FailedPasswordAttemptWindowStart' }, { name: 'FailedPasswordAnswerAttemptCount' },
    		{ name: 'FailedPasswordAnswerAttemptWindwStart' }, { name: 'CustomerMetaData' }, { name: 'CreatedBy' },
    		{ name: 'CreatedDate' }, { name: 'UpdatedBy' }, { name: 'UpdatedDate' }, { name: 'isAdminUser' }, { name: 'isMasterUser' },
    		{ name: 'isHomeOffice' }, { name: 'isRefPaid' }, { name: 'UnitName' }
    	],
    	idProperty:'UserId'
    });

  2. #2
    Sencha User mitchellsimoens's Avatar
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    Rendering a lot of rows and columns is going to take time. Performance is a known issue.
    Mitchell Simoens @LikelyMitch
    Modus Create, Senior Frontend Engineer
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