/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(MessageViewME model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into messageView(");
strSql.Append("happenTime,messageID,messageContent,messageType,dynamicContent)");
strSql.Append(" values (");
strSql.Append("@happenTime,@messageID,@messageContent,@messageType,@dynamicContent)");
SqlParameter[] parameters = {
new SqlParameter("@happenTime", SqlDbType.DateTime),
new SqlParameter("@messageID", SqlDbType.Int,4),
new SqlParameter("@messageContent", SqlDbType.VarChar,255),
new SqlParameter("@messageType", SqlDbType.Int,4),
new SqlParameter("@dynamicContent", SqlDbType.NVarChar,255)};
parameters[0].Value = model.happenTime;
parameters[1].Value = model.messageID;
parameters[2].Value = model.messageContent;
parameters[3].Value = model.messageType;
parameters[4].Value = model.dynamicContent;
int rows = _dbAssist.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return true;
}
else
{
return false;
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(MessageViewME model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update messageView set ");
strSql.Append("happenTime=@happenTime,");
strSql.Append("messageID=@messageID,");
strSql.Append("messageContent=@messageContent,");
strSql.Append("messageType=@messageType,");
strSql.Append("dynamicContent=@dynamicContent");
strSql.Append(" where happenTime=@happenTime ");
SqlParameter[] parameters = {
new SqlParameter("@happenTime", SqlDbType.DateTime),
new SqlParameter("@messageID", SqlDbType.Int,4),
new SqlParameter("@messageContent", SqlDbType.VarChar,255),
new SqlParameter("@messageType", SqlDbType.Int,4),
new SqlParameter("@dynamicContent", SqlDbType.NVarChar,255)};
parameters[0].Value = model.happenTime;
parameters[1].Value = model.messageID;
parameters[2].Value = model.messageContent;
parameters[3].Value = model.messageType;
parameters[4].Value = model.dynamicContent;
int rows = _dbAssist.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return true;
}
else
{
return false;
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public MessageViewME GetModel(DateTime happenTime)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 happenTime,messageID,messageContent,messageType,dynamicContent from messageView ");
strSql.Append(" where happenTime=@happenTime ");
SqlParameter[] parameters = {
new SqlParameter("@happenTime", SqlDbType.DateTime) };
parameters[0].Value = happenTime;
MessageViewME model = new MessageViewME();
DataSet ds = _dbAssist.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["happenTime"] != null && ds.Tables[0].Rows[0]["happenTime"].ToString() != "")
{
model.happenTime = DateTime.Parse(ds.Tables[0].Rows[0]["happenTime"].ToString());
}
if (ds.Tables[0].Rows[0]["messageID"] != null && ds.Tables[0].Rows[0]["messageID"].ToString() != "")
{
model.messageID = int.Parse(ds.Tables[0].Rows[0]["messageID"].ToString());
}
if (ds.Tables[0].Rows[0]["messageContent"] != null && ds.Tables[0].Rows[0]["messageContent"].ToString() != "")
{
model.messageContent = ds.Tables[0].Rows[0]["messageContent"].ToString();
}
if (ds.Tables[0].Rows[0]["messageType"] != null && ds.Tables[0].Rows[0]["messageType"].ToString() != "")
{
model.messageType = int.Parse(ds.Tables[0].Rows[0]["messageType"].ToString());
}
if (ds.Tables[0].Rows[0]["dynamicContent"] != null && ds.Tables[0].Rows[0]["dynamicContent"].ToString() != "")
{
model.dynamicContent = ds.Tables[0].Rows[0]["dynamicContent"].ToString();
}
return model;
}
else
{
return null;
}
}