【数据库】通用的存储过程

通用删除表存储过程：

create PROCEDURE Sp_deletedatabyCondition @tablename nvarchar(100),@condition nvarchar(200)AS
BEGINDECLARE @Sql nvarchar(500)SET @Sql='delete from  '+@tablename+ ' where '+@conditionEXEC(@Sql)
END
GO

通用更新存储过程：

create PROCEDURE Sp_UpdateTablebyCondition @tablename nvarchar(100),@condition nvarchar(300),@columns nvarchar(500)AS
BEGINDECLARE @sql nvarchar(1000)SET @sql='update  '+@tablename+' set '+@columns+' where '+@conditionEXEC(@sql)
END
GO

通用查询表信息存储过程：

CREATE PROCEDURE Sp_getDataByTableName -- Add the parameters for the stored procedure here@tablename nvarchar(100)AS
BEGINDECLARE @sql nvarchar(500)SET @sql='select * from '+@tablenameEXEC(@sql)
END
GO

通用查询表某列信息存储过程：

CREATE PROCEDURE SP_getColumnsbyTable @tablename nvarchar(100),@columns nvarchar(500)AS
BEGINDECLARE @sql nvarchar(1000)SET @sql='select '+@columns+' from '+ @tablenameEXEC(@sql)
END
GO

通用查询表某列含条件存储过程：

CREATE PROCEDURE SP_getColumnsByCondition @tablename nvarchar(100),@columns nvarchar(300),@condition nvarchar(200)AS
BEGINDECLARE @sql nvarchar(1000)SET @sql='select '+@columns+' from '+@tablename+ ' where 1=1 '+@conditionEXEC(@sql)
END
GO

 demo：

        public string tongyongtext(model.Client model){using (SqlConnection con = getcon.getconns()){using (SqlCommand com = con.CreateCommand()){con.Open();com.CommandText = "SP_getColumnsByCondition";com.CommandType = CommandType.StoredProcedure;com.Parameters.Add("@tablename", SqlDbType.NVarChar);com.Parameters["@tablename"].Value = "Client";com.Parameters.Add("@columns", SqlDbType.NVarChar);com.Parameters["@columns"].Value = "C_TwoPwd";com.Parameters.Add("@condition", SqlDbType.NVarChar);com.Parameters["@condition"].Value = "and C_ID=" + model.cid;SqlDataAdapter da = new SqlDataAdapter(com);DataTable dt = new DataTable();da.Fill(dt);DataRow dr = dt.Rows[0];string twopwd = dr[0].ToString();return twopwd;}}}