SqlExpressionFactory.IsNull(SqlExpression) Method
Definition
Important
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Creates a new SqlExpression which represent equality to null.
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlUnaryExpression IsNull (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression operand);public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression IsNull (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression operand);abstract member IsNull : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlUnaryExpression
override this.IsNull : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlUnaryExpressionabstract member IsNull : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
override this.IsNull : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpressionPublic Overridable Function IsNull (operand As SqlExpression) As SqlUnaryExpressionPublic Overridable Function IsNull (operand As SqlExpression) As SqlExpressionParameters
- operand
- SqlExpression
A SqlExpression to compare to null.
Returns
An expression representing IS NULL construct in a SQL tree.
Implements
Applies to
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Entity Framework