23 lines
1.1 KiB
C#
23 lines
1.1 KiB
C#
namespace System.Web.ModelBinding {
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using System.Collections.Generic;
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public sealed class KeyValuePairModelBinderProvider : ModelBinderProvider {
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public override IModelBinder GetBinder(ModelBindingExecutionContext modelBindingExecutionContext, ModelBindingContext bindingContext) {
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ModelBinderUtil.ValidateBindingContext(bindingContext);
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string keyFieldName = ModelBinderUtil.CreatePropertyModelName(bindingContext.ModelName, "key");
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string valueFieldName = ModelBinderUtil.CreatePropertyModelName(bindingContext.ModelName, "value");
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if (bindingContext.UnvalidatedValueProvider.ContainsPrefix(keyFieldName) && bindingContext.UnvalidatedValueProvider.ContainsPrefix(valueFieldName)) {
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return ModelBinderUtil.GetPossibleBinderInstance(bindingContext.ModelType, typeof(KeyValuePair<,>) /* supported model type */, typeof(KeyValuePairModelBinder<,>) /* binder type */);
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}
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else {
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// 'key' or 'value' missing
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return null;
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}
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}
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}
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}
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