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How to Work with Lookup Form Controls

CRM 1.2
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You can read values from, and set new values to, almost all of the Microsoft CRM form controls, including lookups.

Example

This sample code demonstrates how to read values from a primarycontactid lookup control on an account form.

var lookupItem = new Array;

// Get the lookup for the primarycontactid attribute on the account form.
lookupItem = crmForm.all.primarycontactid.DataValue;

// If there is data in the field, show it in a series of alerts.
if (lookupItem[0] != null)
{
    // Display the text value of the lookup.
    alert(lookupItem[0].name);

    // Display the entity type name.
    alert(lookupItem[0].typename);

    // Display the GUID of the lookup.
    alert(lookupItem[0].id);

    // Display the entity type code of the lookup. A value of 1 equals account, and a value of 2 equals contact.
    alert(lookupItem[0].type);
}

Example

This sample code demonstrates how to set a value to a pricelevelid lookup control on an opportunity form. In this example, the price level is set to Retail.

// Create a lookupItem to store the values that you want to set to a target lookup control.
var lookupItem = new Array();

// Specify the values on the signature of LookupControlItem. These values are the GUID of pricelevel, the type code of pricelevel, and the name of the lookup value.
lookupItem[0] = new LookupControlItem ("{F31BB38A-0EC0-403F-99A6-3AF469D7D76E"}, 1022, "Retail");

// Set the form control value to the lookupItem that you just created.
crmForm.all.pricelevelid.DataValue = lookupItem ;

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