DataColumn(String, Type, String, MappingType)
各位大侠,请帮忙解决以下问题:
DataColumn c = new DataColumn("am", typeof(decimal), "num1~num2");为何以上出错,
各位大侠,请帮忙解决以下问题:
DataColumn c = new DataColumn("am", typeof(decimal), "num1~num2");为何以上出错,
using System.Data;
public DataColumn(string columnName, System.Type dataType, string expr)DataColumn c = new DataColumn("am", typeof(decimal), "num1~num2");
下面("am", typeof(decimal), "num1~num2");这里是三个 少一个