MetaLinq isn't the only way to edit expression trees.
MetaLinq并不是唯一对表达式树进行编辑的方法。
Click Edit expression and enter the condition as shown in Figure 6.
单击Edit expression，然后输入该条件，如图6所示。
There is also a SQL editor control that contains intellisense capabilities to edit the check constraint expression.
还存在一个包含智能能力的SQL编辑器控件，用于编辑检查约束表达式。
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