c# 4.0 - How to modify a nullable type's value? - 


  सार्वजनिक आंशिक वर्ग L2SEntity {सार्वजनिक शून्य पैमाने (डबल डी) {अगर (this.Amount.HasValue) यह राशि। मूल्य * = डी; }}

निम्न त्रुटि में परिणाम: 

  त्रुटि 2 प्रॉपर्टी या इंडेकर 'सिस्टम। शून्य & lt; डबल & gt;। वेल' को असाइन नहीं किया जा सकता - यह केवल पढ़ने योग्य है

मैं राशि की (डबल का प्रकार?) मान कैसे बदलूं?

बस इसे सीधे निर्दिष्ट करें। 

  सार्वजनिक आंशिक कक्षा L2SEntity {सार्वजनिक शून्य पैमाने (डबल डी) {अगर (this.Amount.HasValue) {this.Amount * = घ; }}}
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