protected void LinkButton1_OnClick(object sender, EventArgs e)
{
string comments = TextArea1.Value.Trim();
if (string.IsNullOrEmpty(comments))
{
Label8.Text = "评论不能为空";
Label8.Visible = true;
TextArea1.Attributes.Add("class", "is-invalid form-control mt-3");
return;
}
if (string.IsNullOrEmpty(UserID))
{
Label8.Text = "请登录后再评论";
Label8.Visible = true;
TextArea1.Attributes.Add("class", "is-invalid form-control mt-3");
return;
}
Info_Comment_BLL infoCommentBll = new Info_Comment_BLL();
Info_Comment_Model infoCommentModel = new Info_Comment_Model();
infoCommentModel.CommentID = Guid.NewGuid();
infoCommentModel.LogsID = new Guid(LogsID);
infoCommentModel.CommentContent = comments;
infoCommentModel.Commentator = new Guid(UserID);
infoCommentModel.CommentTime = DateTime.Now;
infoCommentBll.Add(infoCommentModel);
GetComments();
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Info_Comment_Model DataRowToModel(DataRow row)
{
Info_Comment_Model model = new Info_Comment_Model();
if (row != null)
{
if (row["CommentID"] != null && row["CommentID"].ToString() != "")
{
model.CommentID = new Guid(row["CommentID"].ToString());
}
if (row["LogsID"] != null && row["LogsID"].ToString() != "")
{
model.LogsID = new Guid(row["LogsID"].ToString());
}
if (row["CommentContent"] != null)
{
model.CommentContent = row["CommentContent"].ToString();
}
if (row["Commentator"] != null && row["Commentator"].ToString() != "")
{
model.Commentator = new Guid(row["Commentator"].ToString());
}
if (row["CommentTime"] != null && row["CommentTime"].ToString() != "")
{
model.CommentTime = DateTime.Parse(row["CommentTime"].ToString());
}
if (row["IsDelete"] != null && row["IsDelete"].ToString() != "")
{
if ((row["IsDelete"].ToString() == "1") || (row["IsDelete"].ToString().ToLower() == "true"))
{
model.IsDelete = true;
}
else
{
model.IsDelete = false;
}
}
}
return(model);
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Info_Comment_Model model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Info_Comment set ");
strSql.Append("LogsID=@LogsID,");
strSql.Append("CommentContent=@CommentContent,");
strSql.Append("Commentator=@Commentator,");
strSql.Append("CommentTime=@CommentTime,");
strSql.Append("IsDelete=@IsDelete");
strSql.Append(" where CommentID=@CommentID ");
SqlParameter[] parameters =
{
new SqlParameter("@LogsID", SqlDbType.UniqueIdentifier, 16),
new SqlParameter("@CommentContent", SqlDbType.NVarChar, 255),
new SqlParameter("@Commentator", SqlDbType.UniqueIdentifier, 16),
new SqlParameter("@CommentTime", SqlDbType.DateTime),
new SqlParameter("@IsDelete", SqlDbType.Bit, 1),
new SqlParameter("@CommentID", SqlDbType.UniqueIdentifier, 16)
};
parameters[0].Value = model.LogsID;
parameters[1].Value = model.CommentContent;
parameters[2].Value = model.Commentator;
parameters[3].Value = model.CommentTime;
parameters[4].Value = model.IsDelete;
parameters[5].Value = model.CommentID;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(Info_Comment_Model model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Info_Comment(");
strSql.Append("CommentID,LogsID,CommentContent,Commentator,CommentTime,IsDelete)");
strSql.Append(" values (");
strSql.Append("@CommentID,@LogsID,@CommentContent,@Commentator,@CommentTime,@IsDelete)");
SqlParameter[] parameters =
{
new SqlParameter("@CommentID", SqlDbType.UniqueIdentifier, 16),
new SqlParameter("@LogsID", SqlDbType.UniqueIdentifier, 16),
new SqlParameter("@CommentContent", SqlDbType.NVarChar, 255),
new SqlParameter("@Commentator", SqlDbType.UniqueIdentifier, 16),
new SqlParameter("@CommentTime", SqlDbType.DateTime),
new SqlParameter("@IsDelete", SqlDbType.Bit, 1)
};
parameters[0].Value = Guid.NewGuid();
// parameters[1].Value = Guid.NewGuid();
parameters[1].Value = model.LogsID;
parameters[2].Value = model.CommentContent;
// parameters[3].Value = Guid.NewGuid();
parameters[3].Value = model.Commentator;
parameters[4].Value = model.CommentTime;
parameters[5].Value = model.IsDelete;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Info_Comment_Model GetModel(Guid CommentID)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 CommentID,LogsID,CommentContent,Commentator,CommentTime,IsDelete from Info_Comment ");
strSql.Append(" where CommentID=@CommentID ");
SqlParameter[] parameters =
{
new SqlParameter("@CommentID", SqlDbType.UniqueIdentifier, 16)
};
parameters[0].Value = CommentID;
Info_Comment_Model model = new Info_Comment_Model();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Info_Comment_Model model)
{
return(dal.Update(model));
}
/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(Info_Comment_Model model)
{
return(dal.Add(model));
}