class TextColumn : ITemplate
{
private string controlId;
private string cssClass;
public TextColumn(string id, string cssClass = "inputFromTo")
{
controlId = id;
this.cssClass = cssClass;
}
public void InstantiateIn(Control container)
{
TextBox txt = new TextBox();
txt.ID = controlId;
txt.CssClass = cssClass;
container.Visible = true;
container.Controls.Add(txt);
}
}
/************************************ Add column code snippet ****************************/
TemplateField dentry = new TemplateField();
TemplateField dexit = new TemplateField();
TemplateField dslack = new TemplateField();
dentry.ItemTemplate = new TextColumn("txtHH" + nameCount + "DEntry");
dexit.ItemTemplate = new TextColumn("txtHH" + nameCount + "DExit");
dslack.ItemTemplate = new TextColumn("txtHH" + nameCount + "DSlack");
gvOfcBlowingReport.Columns.Insert(startPoint, dentry);
gvOfcBlowingReport.Columns.Insert(startPoint + 1, dexit);
gvOfcBlowingReport.Columns.Insert(startPoint + 2, dslack);
/********************************* Remove column code snippet ************************/
gvOfcBlowingReport.Columns.RemoveAt(startPoint - 1);
gvOfcBlowingReport.Columns.RemoveAt(startPoint - 2);
gvOfcBlowingReport.Columns.RemoveAt(startPoint - 3);
// after executing this code all the columns vanish.
任何人都知道如何删除此文本框模板列?
在上面的代码中,我添加了模板化字段文本框,然后在单击按钮时删除了相同的文本框,但由于某种原因,null
当我在网格中使用 FindControl 时,所有模板化字段都会受到影响并返回。在显示中,网格也显示为空。
其他一些人在http://forums.asp.net/t/1162011.aspx也面临同样的问题,但到目前为止还没有有价值的解决方案。