/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(university.Model.CCOM.Nation model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Nation set ");
strSql.Append(" Nation_name = @Nation_name ");
strSql.Append(" where Nation_id=@Nation_id ");
SqlParameter[] parameters =
{
new SqlParameter("@Nation_id", SqlDbType.Int, 4),
new SqlParameter("@Nation_name", SqlDbType.VarChar, 255)
};
parameters[0].Value = model.Nation_id;
parameters[1].Value = model.Nation_name;
int rows = DBSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public university.Model.CCOM.Nation GetModel(string strWhere)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select Nation_id, Nation_name ");
strSql.Append(" from Nation ");
strSql.Append(" where " + strWhere);
university.Model.CCOM.Nation model = new university.Model.CCOM.Nation();
DataSet ds = DBSQL.Query(strSql.ToString());
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["Nation_id"].ToString() != "")
{
model.Nation_id = int.Parse(ds.Tables[0].Rows[0]["Nation_id"].ToString());
}
model.Nation_name = ds.Tables[0].Rows[0]["Nation_name"].ToString();
return(model);
}
else
{
return(null);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(university.Model.CCOM.Nation model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Nation(");
strSql.Append("Nation_name");
strSql.Append(") values (");
strSql.Append("@Nation_name");
strSql.Append(") ");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@Nation_name", SqlDbType.VarChar, 255)
};
parameters[0].Value = model.Nation_name;
object obj = DBSQL.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 university.Model.CCOM.Nation GetModel(int Nation_id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select Nation_id, Nation_name ");
strSql.Append(" from Nation ");
strSql.Append(" where Nation_id=@Nation_id");
SqlParameter[] parameters =
{
new SqlParameter("@Nation_id", SqlDbType.Int, 4)
};
parameters[0].Value = Nation_id;
university.Model.CCOM.Nation model = new university.Model.CCOM.Nation();
DataSet ds = DBSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["Nation_id"].ToString() != "")
{
model.Nation_id = int.Parse(ds.Tables[0].Rows[0]["Nation_id"].ToString());
}
model.Nation_name = ds.Tables[0].Rows[0]["Nation_name"].ToString();
return(model);
}
else
{
return(null);
}
}
