CRM 2011 Javascript Functions

Starting to use CRM 2011, here are some useful javascript reference (this list will get longer and longer as time goes):

Hide/Show Field
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function HideShowField(fieldName, show) {
    var field = Xrm.Page.ui.controls.get(fieldName);
 
    if (field != null)
        field.setVisible(show);
}


Hide/Show Field but removing white space
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function HideShowFieldRemoveSpace(fieldname, show) {
    var displayStyle = show ? 'block' : 'none';
    if (document.getElementById(fieldname + '_c') != null && document.getElementById(fieldname + '_d') != null) {
        document.getElementById(fieldname + '_c').style.display = displayStyle;
        document.getElementById(fieldname + '_d').style.display = displayStyle;
    }
}


Disable/Not Disable Field
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function SetDisableField(fieldName, disabled) {
    var field = Xrm.Page.getControl(fieldName);
 
    if (field != null)
        field.setDisabled(disabled);
}


Set Requirement Level
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function SetRequirementLevel(fieldName, reqLevel) {
    var field = Xrm.Page.getAttribute(fieldName);
 
    if (field != null)
        field.setRequiredLevel(reqLevel);
}


Set Required Level
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function SetRequirementLevel(fieldName, reqLevel) {
    var field = Xrm.Page.getAttribute(fieldName);
 
    if (field != null)
        field.setRequiredLevel(reqLevel);
}


Validate Number Field and Character Limit
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function validateNumberField(context, limit) {
    var value = context.getEventSource().getValue();
    var fieldName = context.getEventSource().getName();
    var labelName = Xrm.Page.ui.controls.get(fieldName).getLabel();
    var valueRegex = new RegExp("^\\d{" + limit + "}$");
    if (!value.match(valueRegex)) {
        event.returnValue = false;
        alert("The format of the " + labelName + " is incorrect");
    }
}


Validate Future DateTime
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function ValidateFutureDate(fieldname) {
    var today = new Date();
    var dueDate = Xrm.Page.getAttribute(fieldname).getValue();
 
    if (dueDate != null && dueDate < today) {
        alert("Date value needs to be in the future");
        Xrm.Page.getAttribute(fieldname).setValue(today);
    }
}


Example function to hide left navigation item based on a condition
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function ShowBankDetails() {
    var payeeRole = "new_rolepayee";
    var payeeChkBox = Xrm.Page.ui.controls.get(payeeRole);
    var payeeChkBoxValue = payeeChkBox.getAttribute().getValue();
 
    if (payeeChkBoxValue == true) {
        Xrm.Page.ui.navigation.items.get("nav_new_account_new_bankdetail").setVisible(true);
    }
    else {
        Xrm.Page.ui.navigation.items.get("nav_new_account_new_bankdetail").setVisible(false);
    }
}


Avoiding the checkbox OnChange bug so that it fires off immediately (put this in OnLoad event of the form)
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function TriggerCheckBoxClick() {
    crmForm.all.new_checkbox.onclick = function () { crmForm.all.new_checkbox.FireOnChange(); };
    }


Set Lookup Value
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function SetLookupValue(fieldName, id, name, entityType) {
    if (fieldName != null) {
        var lookupValue = new Array();
        lookupValue[0] = new Object();
        lookupValue[0].id = id;
        lookupValue[0].name = name;
        lookupValue[0].entityType = entityType;
 
        Xrm.Page.getAttribute(fieldName).setValue(lookupValue);
    }
}
Hide Picklist Item Text
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function HidePicklistItemWithText(fieldName, withText) {
    var picklist = document.getElementById(fieldName);
 
    for (var i = picklist.options.length - 1; i >= 0; i--) {
        var picklistItemText = picklist.options[i].text;
 
        if (picklistItemText.match(withText) == withText && picklist.selectedIndex != i) {
            picklist.options.remove(i);
        }
    }
}

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