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Validation of Entire Grid without DP

I wonder how I could call a javascript function that checks/validates the entire grid?

Something like myGrid.validate();

It should highlight all fields which don't match the validation and return false if one cell is not valid.

I'm not doing the validation on the data processing, but use:
grid.enableValidation(true, true);
grid.setColValidators("NotEmpty,NotEmpty,NotEmpty");

Thanks,
Dimitri

You can use validation extension, this extension works without DP. Please find examples here http://www.dhtmlx.com/docs/products/dhtmlxGrid/samples/19_validation/ and tutorial here
http://dhtmlx.com/dhxdocs/doku.php?id=dhtmlxgrid:validation_extension

mygrid.forEachRow(function(id){
       for (var  i = 0; i<mygrid.getColumnsNum(); i++)
            mygrid.validateCell(id,i);
});