Xml子子节点在通过Gridview控件插入期间出现在子节点之外
本文关键字:子节点 控件 Gridview Xml 插入 | 更新日期: 2023-09-27 18:26:50
我的网页由一个具有插入/更新/删除功能的GridView控件组成;它的数据存储在一个XML文件中。面临的问题是,当我插入新行时,当复制到xml文件中时,子子生成节点(新插入的日期)出现在其子节点(**pos节点)之外:例如:
<root>
<pos>
<partNumbers>
<partid>0</partid>
<partnumber>796547</partnumber>
</partNumbers>
<partNumbers>
<partid>3</partid>
<partnumber>567890</partnumber>
</partNumbers>
</pos>
<partNumbers>
<partid>10</partid>
<partnumber>129123</partnumber>
</partNumbers>
</root>
我的目标是让新插入的行保持在节点中,如下所示:
<root>
<pos>
<partNumbers>
<partid>0</partid>
<partnumber>796547</partnumber>
</partNumbers>
<partNumbers>
<partid>3</partid>
<partnumber>567890</partnumber>
</partNumbers>
<partNumbers>
<partid>10</partid>
<partnumber>129123</partnumber>
</partNumbers>
</pos>
</root>
以下是我的插入代码:
protected void gvPartNumber_RowCommand(object sender, GridViewCommandEventArgs e)
{
if (e.CommandName == "insertXMLData")
{
string partid = ((TextBox)gvPartNumber.FooterRow.FindControl("txtPartIDInsert")).Text;
string partnumber = ((TextBox)gvPartNumber.FooterRow.FindControl("txtPartNumberInsert")).Text;
BindGridView();
DataTable dtXMLInsert = (DataTable)gvPartNumber.DataSource;
DataSet dsgvPartNumber = new DataSet();
dsgvPartNumber.ReadXml(Server.MapPath("~/xml/storeUserInfo.xml"));
DataRow drInsert = dsgvPartNumber.Tables["partNumbers"].NewRow();
drInsert["partid"] = partid;
drInsert["partnumber"] = partnumber;
dsgvPartNumber.Tables["partNumbers"].Rows.Add(drInsert);
dsgvPartNumber.WriteXml(Server.MapPath("~/xml/storeUserInfo.xml"));
BindGridView();
}
}
我能告诉你我在这里做错了什么吗?
还没有测试过这一点,但基于它在根目录下添加XML的事实,我猜需要更改以下行:
dsgvPartNumber.Tables["partNumbers"].Rows.Add(drInsert);
至
dsgvPartNumber.Tables["pos"].Rows.Add(drInsert);
编辑:
我们开始了:
添加:
DataRow drParent = dsgvPartNumber.Tables["pos"].Rows[0];
drInsert.SetParentRow(drParent);
最终代码应为:
DataSet dsgvPartNumber = new DataSet();
dsgvPartNumber.ReadXml(Server.MapPath("~/xml/storeUserInfo.xml"));
DataRow drInsert = dsgvPartNumber.Tables["partNumbers"].NewRow();
drInsert["partid"] = partid;
drInsert["partnumber"] = partnumber;
DataRow drParent = dsgvPartNumber.Tables["pos"].Rows[0];
drInsert.SetParentRow(drParent);
dsgvPartNumber.Tables["partNumbers"].Rows.Add(drInsert);
dsgvPartNumber.WriteXml(Server.MapPath("~/xml/storeUserInfo.xml"));
BindGridView();