34 lines
800 B
C#
34 lines
800 B
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Configuration.Provider;
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namespace WMS.IData
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{
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/// <summary>
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/// 数据提供者集合
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/// </summary>
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class DataProviderCollection : ProviderCollection
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{
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public new DataProvider this[string name]
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{
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get
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{
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return (DataProvider)base[name];
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}
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}
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public override void Add(ProviderBase provider)
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{
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if (provider == null)
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throw new ArgumentNullException("provider");
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if (!(provider is DataProvider))
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throw new ArgumentException
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("Invalid provider type", "provider");
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base.Add(provider);
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}
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}
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}
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