/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(SoilNutrientSoft.Model.Areas model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Areas set ");
strSql.Append("AreaID=@AreaID,");
strSql.Append("AreaName=@AreaName,");
strSql.Append("AreaPID=@AreaPID");
strSql.Append(" where Id=@Id");
SqlParameter[] parameters =
{
new SqlParameter("@AreaID", SqlDbType.Int, 4),
new SqlParameter("@AreaName", SqlDbType.NVarChar, 50),
new SqlParameter("@AreaPID", SqlDbType.Int, 4),
new SqlParameter("@Id", SqlDbType.Int, 4)
};
parameters[0].Value = model.AreaID;
parameters[1].Value = model.AreaName;
parameters[2].Value = model.AreaPID;
parameters[3].Value = model.Id;
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(SoilNutrientSoft.Model.Areas model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Areas(");
strSql.Append("AreaID,AreaName,AreaPID)");
strSql.Append(" values (");
strSql.Append("@AreaID,@AreaName,@AreaPID)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@AreaID", SqlDbType.Int, 4),
new SqlParameter("@AreaName", SqlDbType.NVarChar, 50),
new SqlParameter("@AreaPID", SqlDbType.Int, 4)
};
parameters[0].Value = model.AreaID;
parameters[1].Value = model.AreaName;
parameters[2].Value = model.AreaPID;
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 SoilNutrientSoft.Model.Areas DataRowToModel(DataRow row)
{
SoilNutrientSoft.Model.Areas model = new SoilNutrientSoft.Model.Areas();
if (row != null)
{
if (row["Id"] != null && row["Id"].ToString() != "")
{
model.Id = int.Parse(row["Id"].ToString());
}
if (row["AreaID"] != null && row["AreaID"].ToString() != "")
{
model.AreaID = int.Parse(row["AreaID"].ToString());
}
if (row["AreaName"] != null)
{
model.AreaName = row["AreaName"].ToString();
}
if (row["AreaPID"] != null && row["AreaPID"].ToString() != "")
{
model.AreaPID = int.Parse(row["AreaPID"].ToString());
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public SoilNutrientSoft.Model.Areas GetModel(int Id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 Id,AreaID,AreaName,AreaPID from Areas ");
strSql.Append(" where Id=@Id");
SqlParameter[] parameters =
{
new SqlParameter("@Id", SqlDbType.Int, 4)
};
parameters[0].Value = Id;
SoilNutrientSoft.Model.Areas model = new SoilNutrientSoft.Model.Areas();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
