/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(SmartTeaching.Entity.Base_News model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Base_News set ");
strSql.Append(" NewsTypeId = @NewsTypeId , ");
strSql.Append(" UserId = @UserId , ");
strSql.Append(" NewsTitle = @NewsTitle , ");
strSql.Append(" NewsContent = @NewsContent , ");
strSql.Append(" CreateDate = @CreateDate , ");
strSql.Append(" Summary = @Summary , ");
strSql.Append(" FileName = @FileName , ");
strSql.Append(" FilePath = @FilePath , ");
strSql.Append(" FileSize = @FileSize ");
strSql.Append(" where NewsId=@NewsId ");
SqlParameter[] parameters =
{
new SqlParameter("@NewsId", SqlDbType.Int, 4),
new SqlParameter("@NewsTypeId", SqlDbType.Int, 4),
new SqlParameter("@UserId", SqlDbType.Int, 4),
new SqlParameter("@NewsTitle", SqlDbType.VarChar, 200),
new SqlParameter("@NewsContent", SqlDbType.Text),
new SqlParameter("@CreateDate", SqlDbType.DateTime),
new SqlParameter("@Summary", SqlDbType.VarChar, 200),
new SqlParameter("@FileName", SqlDbType.VarChar, 50),
new SqlParameter("@FilePath", SqlDbType.VarChar, 200),
new SqlParameter("@FileSize", SqlDbType.Int, 4)
};
parameters[0].Value = model.NewsId;
parameters[1].Value = model.NewsTypeId;
parameters[2].Value = model.UserId;
parameters[3].Value = model.NewsTitle;
parameters[4].Value = model.NewsContent;
parameters[5].Value = model.CreateDate;
parameters[6].Value = model.Summary;
parameters[7].Value = model.FileName;
parameters[8].Value = model.FilePath;
parameters[9].Value = model.FileSize;
int rows = SqlServerHelper.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public SmartTeaching.Entity.Base_News GetModel(int NewsId)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select NewsId, NewsTypeId, UserId, NewsTitle, NewsContent, CreateDate, Summary, FileName, FilePath, FileSize ");
strSql.Append(" from Base_News ");
strSql.Append(" where NewsId=@NewsId");
SqlParameter[] parameters =
{
new SqlParameter("@NewsId", SqlDbType.Int, 4)
};
parameters[0].Value = NewsId;
SmartTeaching.Entity.Base_News model = new SmartTeaching.Entity.Base_News();
DataSet ds = SqlServerHelper.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["NewsId"].ToString() != "")
{
model.NewsId = int.Parse(ds.Tables[0].Rows[0]["NewsId"].ToString());
}
if (ds.Tables[0].Rows[0]["NewsTypeId"].ToString() != "")
{
model.NewsTypeId = int.Parse(ds.Tables[0].Rows[0]["NewsTypeId"].ToString());
}
if (ds.Tables[0].Rows[0]["UserId"].ToString() != "")
{
model.UserId = int.Parse(ds.Tables[0].Rows[0]["UserId"].ToString());
}
model.NewsTitle = ds.Tables[0].Rows[0]["NewsTitle"].ToString();
model.NewsContent = ds.Tables[0].Rows[0]["NewsContent"].ToString();
if (ds.Tables[0].Rows[0]["CreateDate"].ToString() != "")
{
model.CreateDate = DateTime.Parse(ds.Tables[0].Rows[0]["CreateDate"].ToString());
}
model.Summary = ds.Tables[0].Rows[0]["Summary"].ToString();
model.FileName = ds.Tables[0].Rows[0]["FileName"].ToString();
model.FilePath = ds.Tables[0].Rows[0]["FilePath"].ToString();
if (ds.Tables[0].Rows[0]["FileSize"].ToString() != "")
{
model.FileSize = int.Parse(ds.Tables[0].Rows[0]["FileSize"].ToString());
}
return(model);
}
else
{
return(null);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(SmartTeaching.Entity.Base_News model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Base_News(");
strSql.Append("NewsTypeId,UserId,NewsTitle,NewsContent,CreateDate,Summary,FileName,FilePath,FileSize");
strSql.Append(") values (");
strSql.Append("@NewsTypeId,@UserId,@NewsTitle,@NewsContent,@CreateDate,@Summary,@FileName,@FilePath,@FileSize");
strSql.Append(") ");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@NewsTypeId", SqlDbType.Int, 4),
new SqlParameter("@UserId", SqlDbType.Int, 4),
new SqlParameter("@NewsTitle", SqlDbType.VarChar, 200),
new SqlParameter("@NewsContent", SqlDbType.Text),
new SqlParameter("@CreateDate", SqlDbType.DateTime),
new SqlParameter("@Summary", SqlDbType.VarChar, 200),
new SqlParameter("@FileName", SqlDbType.VarChar, 50),
new SqlParameter("@FilePath", SqlDbType.VarChar, 200),
new SqlParameter("@FileSize", SqlDbType.Int, 4)
};
parameters[0].Value = model.NewsTypeId;
parameters[1].Value = model.UserId;
parameters[2].Value = model.NewsTitle;
parameters[3].Value = model.NewsContent;
parameters[4].Value = model.CreateDate;
parameters[5].Value = model.Summary;
parameters[6].Value = model.FileName;
parameters[7].Value = model.FilePath;
parameters[8].Value = model.FileSize;
object obj = SqlServerHelper.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}