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📜  c# 处理 dbnull 值 - C# 代码示例

📅  最后修改于: 2022-03-11 14:49:00.310000             🧑  作者: Mango

代码示例1
int? stockvalue = null;

if (!Convert.IsDBNull(reader["StockValue"]))
    stockvalue = (int)reader["StockValue"];

//Then you can check 

if(stockValue.HasValue)
{
  // do something here.
}