C# 通过存储过程获取数据库表自增ID值

CREATE PROCEDURE [dbo].[SP_FetchNextValue]
    @TableName VARCHAR(200),
    @Type TINYINT = 1
AS
BEGIN
    DECLARE @SQL VARCHAR(MAX)
    SELECT @SQL = 'DECLARE @NEXTVALUE INT;SELECT @NEXTVALUE = NEXT VALUE FOR DBO.SEQ_'+TableName+'_'++LTRIM(Type)+';SELECT '''+Prefix+'''+RIGHT(''0000000000''+LTRIM(@NEXTVALUE),'+LTRIM(MiddleNumber)+') NextValue;'
    FROM DBO.T_Core_SequenceMapping
    WHERE TableName = @TableName
        AND Type = @Type
    EXEC(@SQL)
END

GO

C#或者表自增主键值

        /// 实体
        /// 表名
        /// 类型
        /// 在表中对应的编码字段
        /// 验重条件
        /// 编码
        public string GetCode(string tableName,int type,string codeName="Code",string query = "1=1") where TEntity : class
        {
            var newCode = "";
            string mysql = string.Format("EXEC DBO.SP_FetchNextValue '{0}',{1}", tableName, type);
            while (string.IsNullOrEmpty(newCode))
            {
                //获取编码
                newCode = new RhisRepository().GetObjectByQuery(mysql);
                //检验重复
                string mysqls = string.Format("select * from {0} where {1}='{2}' and {3}", tableName, codeName, newCode,query);
                var list = new RhisRepository().GetListByQuery(mysqls);
                if (list != null && list.Count > 0)
                {
                    newCode = "";
                }

            }

            return newCode;
        }