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1 using System;
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2 using System.ComponentModel;
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3
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4 namespace BLToolkit.DataAccess
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5 {
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6 [AttributeUsage(AttributeTargets.Parameter)]
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7 public class ParamNullValueAttribute : Attribute
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8 {
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9 public ParamNullValueAttribute(object value)
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10 {
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11 _value = value;
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12 }
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13
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14 public ParamNullValueAttribute(Type type, string value)
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15 {
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16 _value = TypeDescriptor.GetConverter(type).ConvertFromInvariantString(value);
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17 }
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18
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19 private readonly object _value;
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20 public object Value
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21 {
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22 get { return _value; }
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23 }
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24 }
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25 }
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