public void DeleteItem()
{
TreeNode nodedelete = this.SelectedNode;
if (nodedelete != null)
{
if (nodedelete.ChildNodes.Count > 0)
{
this.Page.Response.Write("<script>window.alert('delete the childnode first!')</script>");
}
else
{
WebDataSource ds = (WebDataSource)GetObjByID(this.WebDataSourceID);
DataSet dataset = ds.InnerDataSet;
WebDataSet wds = new WebDataSet();
wds.RemoteName = ds.RemoteName;
wds.RealDataSet = dataset;
DataTable dt = wds.RealDataSet.Tables[ds.DataMember];
for (int i = 0; i < dt.Rows.Count; i++)
{
if (dt.Rows[i][this.KeyField].ToString() == nodedelete.Value)
{
dt.Rows[i].Delete();
}
}
wds.ApplyUpdates();
this.Page.Response.Redirect(this.Page.Request.Path);
}
}
}
public bool ApplyUpdates()
{
WebDataSet dataSet = new WebDataSet();
dataSet.RemoteName = RemoteName;
dataSet.ServerModify = ServerModify;
dataSet.RealDataSet = InnerDataSet;
//add by ccm do AutoSeq
List<WebAutoSeq> wAutoSeq = new List<WebAutoSeq>();
foreach (Control ctrl in this.Page.Form.Controls)
{
if (ctrl is WebAutoSeq && ((WebAutoSeq)ctrl).MasterDataSourceID == this.ID && ((WebAutoSeq)ctrl).ReNumber && ((WebAutoSeq)ctrl).Active)
{
wAutoSeq.Add((WebAutoSeq)ctrl);
}
}
if (wAutoSeq.Count > 0)
{
foreach (WebAutoSeq was in wAutoSeq)
{
was.ResetDetail();
}
}
//End AutoSeq
// End Add 2006/08/22
dataSet.ApplyError += delegate(object sender, ApplyErrorEventArgs e)
{
OnApplyError(e);
};
bool b = dataSet.ApplyUpdates();
if (!b)
return false;
else
{
this.RemoveLock();
InnerDataSet = dataSet.RealDataSet;
if (wAutoSeq.Count > 0)
{
foreach (WebAutoSeq was in wAutoSeq)
{
foreach (Control ctrl in this.Page.Form.Controls)
{
if (ctrl is WebGridView && ((WebGridView)ctrl).DataSourceID == was.DataSourceID)
{
((WebGridView)ctrl).DataBind();
}
}
}
}
return true;
}
}