/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(ScoreManage.Model.CourseInfo model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update CourseInfo set ");
strSql.Append("courseName=SQL2012courseName,");
strSql.Append("courseType=SQL2012courseType,");
strSql.Append("courseCredit=SQL2012courseCredit,");
strSql.Append("courseDesc=SQL2012courseDesc");
strSql.Append(" where courseID=SQL2012courseID ");
SqlParameter[] parameters =
{
new SqlParameter("SQL2012courseName", SqlDbType.NVarChar, 255),
new SqlParameter("SQL2012courseType", SqlDbType.NVarChar, 255),
new SqlParameter("SQL2012courseCredit", SqlDbType.Float, 8),
new SqlParameter("SQL2012courseDesc", SqlDbType.NVarChar, 255),
new SqlParameter("SQL2012courseID", SqlDbType.NVarChar, 255)
};
parameters[0].Value = model.courseName;
parameters[1].Value = model.courseType;
parameters[2].Value = model.courseCredit;
parameters[3].Value = model.courseDesc;
parameters[4].Value = model.courseID;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public ScoreManage.Model.CourseInfo DataRowToModel(DataRow row)
{
ScoreManage.Model.CourseInfo model = new ScoreManage.Model.CourseInfo();
if (row != null)
{
if (row["courseID"] != null)
{
model.courseID = row["courseID"].ToString();
}
if (row["courseName"] != null)
{
model.courseName = row["courseName"].ToString();
}
if (row["courseType"] != null)
{
model.courseType = row["courseType"].ToString();
}
if (row["courseCredit"] != null && row["courseCredit"].ToString() != "")
{
model.courseCredit = decimal.Parse(row["courseCredit"].ToString());
}
if (row["courseDesc"] != null)
{
model.courseDesc = row["courseDesc"].ToString();
}
}
return(model);
}
/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(ScoreManage.Model.CourseInfo model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into CourseInfo(");
strSql.Append("courseID,courseName,courseType,courseCredit,courseDesc)");
strSql.Append(" values (");
strSql.Append("SQL2012courseID,SQL2012courseName,SQL2012courseType,SQL2012courseCredit,SQL2012courseDesc)");
SqlParameter[] parameters =
{
new SqlParameter("SQL2012courseID", SqlDbType.NVarChar, 255),
new SqlParameter("SQL2012courseName", SqlDbType.NVarChar, 255),
new SqlParameter("SQL2012courseType", SqlDbType.NVarChar, 255),
new SqlParameter("SQL2012courseCredit", SqlDbType.Float, 8),
new SqlParameter("SQL2012courseDesc", SqlDbType.NVarChar, 255)
};
parameters[0].Value = model.courseID;
parameters[1].Value = model.courseName;
parameters[2].Value = model.courseType;
parameters[3].Value = model.courseCredit;
parameters[4].Value = model.courseDesc;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public ScoreManage.Model.CourseInfo GetModel(string courseID)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 courseID,courseName,courseType,courseCredit,courseDesc from CourseInfo ");
strSql.Append(" where courseID=SQL2012courseID ");
SqlParameter[] parameters =
{
new SqlParameter("SQL2012courseID", SqlDbType.NVarChar, 255)
};
parameters[0].Value = courseID;
ScoreManage.Model.CourseInfo model = new ScoreManage.Model.CourseInfo();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
