/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(JPGL.Model.tbMajor model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update tbMajor set ");
strSql.Append("MajorName=@MajorName");
strSql.Append(" where MajorNo=@MajorNo");
SqlParameter[] parameters =
{
new SqlParameter("@MajorName", SqlDbType.VarChar, 50),
new SqlParameter("@MajorNo", SqlDbType.Int, 4)
};
parameters[0].Value = model.MajorName;
parameters[1].Value = model.MajorNo;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(JPGL.Model.tbMajor model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into tbMajor(");
strSql.Append("MajorName)");
strSql.Append(" values (");
strSql.Append("@MajorName)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@MajorName", SqlDbType.VarChar, 50)
};
parameters[0].Value = model.MajorName;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public JPGL.Model.tbMajor DataRowToModel(DataRow row)
{
JPGL.Model.tbMajor model = new JPGL.Model.tbMajor();
if (row != null)
{
if (row["MajorNo"] != null && row["MajorNo"].ToString() != "")
{
model.MajorNo = int.Parse(row["MajorNo"].ToString());
}
if (row["MajorName"] != null)
{
model.MajorName = row["MajorName"].ToString();
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public JPGL.Model.tbMajor GetModel(string MajorName)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 MajorNo,MajorName from tbMajor ");
strSql.Append(" where MajorName=@MajorName");
SqlParameter[] parameters =
{
new SqlParameter("@MajorName", SqlDbType.VarChar, 50)
};
parameters[0].Value = MajorName;
JPGL.Model.tbMajor model = new JPGL.Model.tbMajor();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
