/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Material.Model.level3 model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update level3 set ");
strSql.Append("name=@name,");
strSql.Append("level2_id=@level2_id,");
strSql.Append("id3=@id3,");
strSql.Append("level1_id=@level1_id");
strSql.Append(" where ");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@name", DbType.char, 2147483647),
new SQLiteParameter("@level2_id", DbType.Int32, 8),
new SQLiteParameter("@id3", DbType.Int32, 8),
new SQLiteParameter("@level1_id", DbType.Int32, 8)
};
parameters[0].Value = model.name;
parameters[1].Value = model.level2_id;
parameters[2].Value = model.id3;
parameters[3].Value = model.level1_id;
int rows = DbHelperSQLite.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(Material.Model.level3 model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into level3(");
strSql.Append("name,level2_id,id3,level1_id)");
strSql.Append(" values (");
strSql.Append("@name,@level2_id,@id3,@level1_id)");
SQLiteParameter[] parameters =
{
new SQLiteParameter("@name", DbType.char, 2147483647),
new SQLiteParameter("@level2_id", DbType.Int32, 8),
new SQLiteParameter("@id3", DbType.Int32, 8),
new SQLiteParameter("@level1_id", DbType.Int32, 8)
};
parameters[0].Value = model.name;
parameters[1].Value = model.level2_id;
parameters[2].Value = model.id3;
parameters[3].Value = model.level1_id;
int rows = DbHelperSQLite.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Material.Model.level3 GetModel()
{
//该表无主键信息，请自定义主键/条件字段
StringBuilder strSql = new StringBuilder();
strSql.Append("select name,level2_id,id3,level1_id from level3 ");
strSql.Append(" where ");
SQLiteParameter[] parameters =
{
};
Material.Model.level3 model = new Material.Model.level3();
DataSet ds = DbHelperSQLite.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Material.Model.level3 DataRowToModel(DataRow row)
{
Material.Model.level3 model = new Material.Model.level3();
if (row != null)
{
if (row["name"] != null)
{
model.name = row["name"].ToString();
}
if (row["level2_id"] != null && row["level2_id"].ToString() != "")
{
model.level2_id = int.Parse(row["level2_id"].ToString());
}
if (row["id3"] != null && row["id3"].ToString() != "")
{
model.id3 = int.Parse(row["id3"].ToString());
}
if (row["level1_id"] != null && row["level1_id"].ToString() != "")
{
model.level1_id = int.Parse(row["level1_id"].ToString());
}
}
return(model);
}