/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(Student.Model.CLASS_INFO model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into CLASS_INFO(");
strSql.Append("MAJORDIRCTNO,CLASSNAME,TEACHERNO1,TEACHERNO2,TEACHERNO3)");
strSql.Append(" values (");
strSql.Append("@MAJORDIRCTNO,@CLASSNAME,@TEACHERNO1,@TEACHERNO2,@TEACHERNO3)");
SqlParameter[] parameters =
{
new SqlParameter("@MAJORDIRCTNO", SqlDbType.Int, 4),
new SqlParameter("@CLASSNAME", SqlDbType.VarChar, 10),
new SqlParameter("@TEACHERNO1", SqlDbType.Int, 4),
new SqlParameter("@TEACHERNO2", SqlDbType.Int, 4),
new SqlParameter("@TEACHERNO3", SqlDbType.Int, 4)
};
parameters[0].Value = model.MAJORDIRCTNO;
parameters[1].Value = model.CLASSNAME;
parameters[2].Value = model.TEACHERNO1;
parameters[3].Value = model.TEACHERNO2;
parameters[4].Value = model.TEACHERNO3;
int rows = SqlHelper.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Student.Model.CLASS_INFO DataRowToModel(DataRow row)
{
Student.Model.CLASS_INFO model = new Student.Model.CLASS_INFO();
if (row != null)
{
if (row["CLASSNO"] != null && row["CLASSNO"].ToString() != "")
{
model.CLASSNO = int.Parse(row["CLASSNO"].ToString());
}
if (row["MAJORDIRCTNO"] != null && row["MAJORDIRCTNO"].ToString() != "")
{
model.MAJORDIRCTNO = int.Parse(row["MAJORDIRCTNO"].ToString());
}
if (row["CLASSNAME"] != null)
{
model.CLASSNAME = row["CLASSNAME"].ToString();
}
if (row["TEACHERNO1"] != null && row["TEACHERNO1"].ToString() != "")
{
model.TEACHERNO1 = int.Parse(row["TEACHERNO1"].ToString());
}
if (row["TEACHERNO2"] != null && row["TEACHERNO2"].ToString() != "")
{
model.TEACHERNO2 = int.Parse(row["TEACHERNO2"].ToString());
}
if (row["TEACHERNO3"] != null && row["TEACHERNO3"].ToString() != "")
{
model.TEACHERNO3 = int.Parse(row["TEACHERNO3"].ToString());
}
}
return(model);
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Student.Model.CLASS_INFO model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update CLASS_INFO set ");
strSql.Append("MAJORDIRCTNO=@MAJORDIRCTNO,");
strSql.Append("CLASSNAME=@CLASSNAME,");
strSql.Append("TEACHERNO1=@TEACHERNO1,");
strSql.Append("TEACHERNO2=@TEACHERNO2,");
strSql.Append("TEACHERNO3=@TEACHERNO3");
strSql.Append(" where CLASSNO=@CLASSNO ");
SqlParameter[] parameters =
{
new SqlParameter("@MAJORDIRCTNO", SqlDbType.Int, 4),
new SqlParameter("@CLASSNAME", SqlDbType.VarChar, 10),
new SqlParameter("@TEACHERNO1", SqlDbType.Int, 4),
new SqlParameter("@TEACHERNO2", SqlDbType.Int, 4),
new SqlParameter("@TEACHERNO3", SqlDbType.Int, 4),
new SqlParameter("@CLASSNO", SqlDbType.Int, 4)
};
parameters[0].Value = model.MAJORDIRCTNO;
parameters[1].Value = model.CLASSNAME;
parameters[2].Value = model.TEACHERNO1;
parameters[3].Value = model.TEACHERNO2;
parameters[4].Value = model.TEACHERNO3;
parameters[5].Value = model.CLASSNO;
int rows = SqlHelper.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Student.Model.CLASS_INFO GetModel(string CLASSNAME)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 CLASSNO,MAJORDIRCTNO,CLASSNAME,TEACHERNO1,TEACHERNO2,TEACHERNO3 from CLASS_INFO ");
strSql.Append(" where CLASSNAME=@CLASSNAME ");
SqlParameter[] parameters =
{
new SqlParameter("@CLASSNAME", SqlDbType.VarChar, 10)
};
parameters[0].Value = CLASSNAME;
Student.Model.CLASS_INFO model = new Student.Model.CLASS_INFO();
DataSet ds = SqlHelper.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
