权限没有,则隐藏 function forum_list_access_filter($forumlist, $gid, $allow = 'allowread') { global $grouplist; if (empty($forumlist)) return array(); if (1 == $gid) return $forumlist; $forumlist_filter = $forumlist; $group = $grouplist[$gid]; foreach ($forumlist_filter as $fid => $forum) { if (empty($forum['accesson']) && empty($group[$allow]) || !empty($forum['accesson']) && empty($forum['accesslist'][$gid][$allow])) { unset($forumlist_filter[$fid]); } unset($forumlist_filter[$fid]['accesslist']); } return $forumlist_filter; } function forum_filter_moduid($moduids) { $moduids = trim($moduids); if (empty($moduids)) return ''; $arr = explode(',', $moduids); $r = array(); foreach ($arr as $_uid) { $_uid = intval($_uid); $_user = user_read($_uid); if (empty($_user)) continue; if ($_user['gid'] > 4) continue; $r[] = $_uid; } return implode(',', $r); } function forum_safe_info($forum) { //unset($forum['moduids']); return $forum; } function forum_filter($forumlist) { foreach ($forumlist as &$val) { unset($val['brief'], $val['announcement'], $val['seo_title'], $val['seo_keywords'], $val['create_date_fmt'], $val['icon_url'], $val['modlist']); } return $forumlist; } function forum_format_url($forum) { global $conf; if (0 == $forum['category']) { // 列表URL $url = url('list-' . $forum['fid'], '', FALSE); } elseif (1 == $forum['category']) { // 频道 $url = url('category-' . $forum['fid'], '', FALSE); } elseif (2 == $forum['category']) { // 单页 $url = url('read-' . trim($forum['brief']), '', FALSE); } if ($conf['url_rewrite_on'] > 1 && $forum['well_alias']) { if (0 == $forum['category'] || 1 == $forum['category']) { $url = url($forum['well_alias'], '', FALSE); } elseif (2 == $forum['category']) { // 单页 $url = ($forum['threads'] && $forum['brief']) ? url($forum['well_alias'] . '-' . trim($forum['brief']), '', FALSE) : url($forum['well_alias'], '', FALSE); } } return $url; } function well_forum_alias() { $forumlist = forum_list_cache(); if (empty($forumlist)) return ''; $key = 'forum-alias'; static $cache = array(); if (isset($cache[$key])) return $cache[$key]; $cache[$key] = array(); foreach ($forumlist as $val) { if ($val['well_alias']) $cache[$key][$val['fid']] = $val['well_alias']; } return array_flip($cache[$key]); } function well_forum_alias_cache() { global $conf; $key = 'forum-alias-cache'; static $cache = array(); // 用静态变量只能在当前 request 生命周期缓存,跨进程需要再加一层缓存:redis/memcached/xcache/apc if (isset($cache[$key])) return $cache[$key]; if ('mysql' == $conf['cache']['type']) { $arr = well_forum_alias(); } else { $arr = cache_get($key); if (NULL === $arr) { $arr = well_forum_alias(); !empty($arr) AND cache_set($key, $arr); } } $cache[$key] = empty($arr) ? '' : $arr; return $cache[$key]; } ?>javascript - C# ASPX ASP.NET - Add & Delete Table Row - Stack Overflow
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javascript - C# ASPX ASP.NET - Add & Delete Table Row - Stack Overflow

programmeradmin7浏览0评论

My current setup:
Form
Dropdown List (populated by SQL)
Users select an item from DDL, press the [+ (add)] button
SQL lookup on this items value
New row in a table, cells of input values based on SQL results
Last cell in row has a [- (delete)] button to remove that row
Users can do this multiple times, thus the table

eg.

DDL:
[value:123] [+]

Table:
| Row# | ID | Firstname | Lastname | Delete |
| 1 | 123 | John | Smith | X |

Better solution? Tell me if you can think of a better way before moving on...

The issue is that I cannot find a way to dynamically add rows to a table using C# / ASP.

Preferably, I need some ASP functions to do this dynamically (or next best thing). I could settle for a Javascript Adhoc, but I was trying to avoid this as the data I need to add to a new table row is being fetched via SQL.

Currently this is my broken code thus far (just the stuff you need):

Default.aspx:

<asp:DropDownList>
    <asp:Item>1</asp:Item>
    <asp:Item>2</asp:Item>
    <asp:Item>3</asp:Item>
</asp:DropDownList>

<input type="button" onClick="AddRow()" runat="server" />`

<asp:Table id="aTable" name="aTable">  
<asp:TableHeaderRow>  
    <asp:TableHeaderCell>1</asp:TableHeaderCell>
    <asp:TableHeaderCell>2</asp:TableHeaderCell>
    <asp:TableHeaderCell>3</asp:TableHeaderCell>
    <asp:TableHeaderCell>4</asp:TableHeaderCell>
    <asp:TableHeaderCell>5</asp:TableHeaderCell>
    <asp:TableHeaderCell>6</asp:TableHeaderCell>  
</asp:TableHeaderRow> 

</asp:Table>

Default.aspx.cs:

protected void AddRow(object sender, EventArgs e) {  
    Table table = new Table();  
    table.ID = "aTable";
    TableRow row = new TableRow();  
    TableCell cell = new TableCell();  
    table.Rows.Add(row);  
    cell.Text = "Test";  
    row.Cells.Add(cell);  
    row.Cells.Add(cell);  
    row.Cells.Add(cell);  
    row.Cells.Add(cell);  
    row.Cells.Add(cell);  
    row.Cells.Add(cell);  
}

Research tells me about DataTables but from the looks of things these don't display as tables in a browser. I've also read a bunch of rubbish tutorials that don't work, so I'm here to ask the pro's at SO!

Any help is much appreciated :)

My current setup:
Form
Dropdown List (populated by SQL)
Users select an item from DDL, press the [+ (add)] button
SQL lookup on this items value
New row in a table, cells of input values based on SQL results
Last cell in row has a [- (delete)] button to remove that row
Users can do this multiple times, thus the table

eg.

DDL:
[value:123] [+]

Table:
| Row# | ID | Firstname | Lastname | Delete |
| 1 | 123 | John | Smith | X |

Better solution? Tell me if you can think of a better way before moving on...

The issue is that I cannot find a way to dynamically add rows to a table using C# / ASP.

Preferably, I need some ASP functions to do this dynamically (or next best thing). I could settle for a Javascript Adhoc, but I was trying to avoid this as the data I need to add to a new table row is being fetched via SQL.

Currently this is my broken code thus far (just the stuff you need):

Default.aspx:

<asp:DropDownList>
    <asp:Item>1</asp:Item>
    <asp:Item>2</asp:Item>
    <asp:Item>3</asp:Item>
</asp:DropDownList>

<input type="button" onClick="AddRow()" runat="server" />`

<asp:Table id="aTable" name="aTable">  
<asp:TableHeaderRow>  
    <asp:TableHeaderCell>1</asp:TableHeaderCell>
    <asp:TableHeaderCell>2</asp:TableHeaderCell>
    <asp:TableHeaderCell>3</asp:TableHeaderCell>
    <asp:TableHeaderCell>4</asp:TableHeaderCell>
    <asp:TableHeaderCell>5</asp:TableHeaderCell>
    <asp:TableHeaderCell>6</asp:TableHeaderCell>  
</asp:TableHeaderRow> 

</asp:Table>

Default.aspx.cs:

protected void AddRow(object sender, EventArgs e) {  
    Table table = new Table();  
    table.ID = "aTable";
    TableRow row = new TableRow();  
    TableCell cell = new TableCell();  
    table.Rows.Add(row);  
    cell.Text = "Test";  
    row.Cells.Add(cell);  
    row.Cells.Add(cell);  
    row.Cells.Add(cell);  
    row.Cells.Add(cell);  
    row.Cells.Add(cell);  
    row.Cells.Add(cell);  
}

Research tells me about DataTables but from the looks of things these don't display as tables in a browser. I've also read a bunch of rubbish tutorials that don't work, so I'm here to ask the pro's at SO!

Any help is much appreciated :)

Share Improve this question asked Dec 7, 2011 at 4:50 Matt RowlesMatt Rowles 8,07021 gold badges57 silver badges89 bronze badges
Add a ment  | 

4 Answers 4

Reset to default 4

First, I'm surprised you didn't set runat="server" at asp:Table tag.

<asp:Table id="aTable" name="aTable" runat="server">  

Second, from the code behind, you can directly use aTable object.

protected void AddRow(object sender, EventArgs e) {  
    TableRow row = new TableRow();  
    TableCell cell = new TableCell();  
    aTable.Rows.Add(row);  
    cell.Text = "Test";  
    row.Cells.Add(cell);  
    row.Cells.Add(cell);  
    row.Cells.Add(cell);  
    row.Cells.Add(cell);  
    row.Cells.Add(cell);  
    row.Cells.Add(cell);  
}

Third, there is a lot of resources to learn. Use Google.

You would be much better off using a GridView. These can easily be set to an SQL datasource as in the examples.

It is also possible to not set a datasource in the aspx page and then in the page_load event you can do this sort of thing:

Protected void Page_Load(object sender, EventArgs e)
{
    GridView.DataSource = Webservice.someMethodCall(param1, param2);
    GridView.DataBind();
}

This approach also means that when the button is clicked the page_load event is triggered and the gridview will be updated.

I would remend using the GridView control. I personnally prefer the Telerik control suite.

Here is a link http://www.asp/web-forms/tutorials/tailspin-spyworks/tailspin-spyworks-part-4

Beaten by 3 minutes...but still.

<asp:Button ID="button1" runat="server" OnClick="AddRow" />
<asp:Table id="aTable" name="aTable" runat="server">  
    <asp:TableHeaderRow>  
        <asp:TableHeaderCell>1</asp:TableHeaderCell> 
    </asp:TableHeaderRow> 
</asp:Table>

protected void AddRow(object sender, EventArgs e)
{
    TableRow row = new TableRow();
    TableCell cell = new TableCell();
    cell.Text = "hello";
    row.Cells.Add(cell);

    aTable.Rows.Add(row);
}
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