写入mssql出现乱码

1、出现乱码的场景如下：

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1）c#代码如下：

private int InsertBaseReport(int year, long mainId, Guid? orgId, DateTime repordate, string indictorCode, string dataValue)
{
string insertSql =
$"insert into T_Report_Base{year} (F_MainID,F_OrgID,F_ReportDate,F_IndicatorCode,F_Value,F_LastDateTime) " +
$"values({mainId},'{orgId}','{repordate}','{indictorCode}','{dataValue}',getdate())";
return db.Database.ExecuteSqlCommand(insertSql);
}

2）数据库字段设计F_Value类型varchar(100)

3）结果：F_Value字段出现乱码

2、解决方案：

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1）c#代码修改如下：

private int InsertBaseReport(int year, long mainId, Guid? orgId, DateTime repordate, string indictorCode, string dataValue)
{
string insertSql =
$"insert into T_Report_Base{year} (F_MainID,F_OrgID,F_ReportDate,F_IndicatorCode,F_Value,F_LastDateTime) " +
$"values({mainId},'{orgId}','{repordate}','{indictorCode}',N'{dataValue}',getdate())";
return db.Database.ExecuteSqlCommand(insertSql);
}

2）数据库字段设计F_Value类型修改为nvarchar(100)

3)  将控制面板中->区域 设置更改为中文（简体，中国）