/// <summary>
/// 得到一个对象实体
/// </summary>
public TopicsModel GetModel(int TopicsId)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 TopicsId,Title,Body,TopicsCategoryId,KeyWord,FromSource,Author,ViewCount,AddedDate,ReleaseDate from T_Topics ");
strSql.Append(" where TopicsId=@TopicsId ");
SqlParameter[] parameters =
{
new SqlParameter("@TopicsId", SqlDbType.Int, 4)
};
parameters[0].Value = TopicsId;
TopicsModel model = new TopicsModel();
DataSet ds = adoHelper.ExecuteSqlDataset(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["TopicsId"].ToString() != "")
{
model.TopicsId = int.Parse(ds.Tables[0].Rows[0]["TopicsId"].ToString());
}
model.Title = ds.Tables[0].Rows[0]["Title"].ToString();
model.Body = ds.Tables[0].Rows[0]["Body"].ToString();
if (ds.Tables[0].Rows[0]["TopicsCategoryId"].ToString() != "")
{
model.TopicsCategoryId = int.Parse(ds.Tables[0].Rows[0]["TopicsCategoryId"].ToString());
}
model.KeyWord = ds.Tables[0].Rows[0]["KeyWord"].ToString();
model.FromSource = ds.Tables[0].Rows[0]["FromSource"].ToString();
model.Author = ds.Tables[0].Rows[0]["Author"].ToString();
if (ds.Tables[0].Rows[0]["ViewCount"].ToString() != "")
{
model.ViewCount = int.Parse(ds.Tables[0].Rows[0]["ViewCount"].ToString());
}
if (ds.Tables[0].Rows[0]["AddedDate"].ToString() != "")
{
model.AddedDate = DateTime.Parse(ds.Tables[0].Rows[0]["AddedDate"].ToString());
}
if (ds.Tables[0].Rows[0]["ReleaseDate"].ToString() != "")
{
model.ReleaseDate = DateTime.Parse(ds.Tables[0].Rows[0]["ReleaseDate"].ToString());
}
return(model);
}
else
{
return(null);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(TopicsModel model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into T_Topics(");
strSql.Append("Title,Body,TopicsCategoryId,KeyWord,FromSource,Author,ViewCount,AddedDate,ReleaseDate)");
strSql.Append(" values (");
strSql.Append("@Title,@Body,@TopicsCategoryId,@KeyWord,@FromSource,@Author,@ViewCount,@AddedDate,@ReleaseDate)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@Title", SqlDbType.VarChar, 200),
new SqlParameter("@Body", SqlDbType.Text),
new SqlParameter("@TopicsCategoryId", SqlDbType.Int, 4),
new SqlParameter("@KeyWord", SqlDbType.VarChar, 100),
new SqlParameter("@FromSource", SqlDbType.VarChar, 100),
new SqlParameter("@Author", SqlDbType.VarChar, 50),
new SqlParameter("@ViewCount", SqlDbType.Int, 4),
new SqlParameter("@AddedDate", SqlDbType.DateTime),
new SqlParameter("@ReleaseDate", SqlDbType.DateTime)
};
parameters[0].Value = model.Title;
parameters[1].Value = model.Body;
parameters[2].Value = model.TopicsCategoryId;
parameters[3].Value = model.KeyWord;
parameters[4].Value = model.FromSource;
parameters[5].Value = model.Author;
parameters[6].Value = model.ViewCount;
parameters[7].Value = model.AddedDate;
parameters[8].Value = model.ReleaseDate;
object obj = adoHelper.ExecuteSqlScalar(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public void Update(TopicsModel model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update T_Topics set ");
strSql.Append("Title=@Title,");
strSql.Append("Body=@Body,");
strSql.Append("TopicsCategoryId=@TopicsCategoryId,");
strSql.Append("KeyWord=@KeyWord,");
strSql.Append("FromSource=@FromSource,");
strSql.Append("Author=@Author,");
strSql.Append("ReleaseDate=@ReleaseDate,");
strSql.Append("ViewCount=@ViewCount");
strSql.Append(" where TopicsId=@TopicsId ");
SqlParameter[] parameters =
{
new SqlParameter("@TopicsId", SqlDbType.Int, 4),
new SqlParameter("@Title", SqlDbType.VarChar, 200),
new SqlParameter("@Body", SqlDbType.Text),
new SqlParameter("@TopicsCategoryId", SqlDbType.Int, 4),
new SqlParameter("@KeyWord", SqlDbType.VarChar, 100),
new SqlParameter("@FromSource", SqlDbType.VarChar, 100),
new SqlParameter("@Author", SqlDbType.VarChar, 50),
new SqlParameter("@ReleaseDate", SqlDbType.DateTime),
new SqlParameter("@ViewCount", SqlDbType.Int, 4)
};
parameters[0].Value = model.TopicsId;
parameters[1].Value = model.Title;
parameters[2].Value = model.Body;
parameters[3].Value = model.TopicsCategoryId;
parameters[4].Value = model.KeyWord;
parameters[5].Value = model.FromSource;
parameters[6].Value = model.Author;
parameters[7].Value = model.ReleaseDate;
parameters[8].Value = model.ViewCount;
adoHelper.ExecuteSqlNonQuery(strSql.ToString(), parameters);
}
/// <summary>
/// 更新一条数据
/// </summary>
public void Update(TopicsModel model)
{
dal.Update(model);
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(TopicsModel model)
{
return(dal.Add(model));
}
