This topic has not yet been rated - Rate this topic

Variable.EvaluateAsExpression Property

Gets or sets a Boolean that indicates whether the variable contains an expression.

Namespace: Microsoft.SqlServer.Dts.Runtime
Assembly: Microsoft.SqlServer.ManagedDTS (in Microsoft.SqlServer.ManagedDTS.dll)

Syntax

C++

JScript

Copy

public bool EvaluateAsExpression { get; set; }

Property Value

Type: System.Boolean
true if the variable contains an expression; otherwise, false.

Remarks

Expressions and variables can be used to control the flow of a package. For more information, see Add Expressions to Precedence Constraints.

Examples

The following example sets the EvaluateAsExpression flag to show that the variable contains an expression, and then can use the Expression property.

Copy

static void Main(string[] args)
    {
        Package p = new Package();
        p.Variables.Add("x", false, "", 1);
        Variable v = p.Variables.Add("y", false, "", 1);
        v.Expression = "@x + 10";
        v.EvaluateAsExpression = true;
        if (v.Value.ToString() == "11")
            Console.WriteLine("Value was 11");
        else
            Console.WriteLine("Value was not 11");
    }

Sample Output:

Value was 11

Reference

Variable Class

Microsoft.SqlServer.Dts.Runtime Namespace

Did you find this helpful? Yes No

Not accurate

Not enough depth

Need more code examples

(1500 characters remaining)