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这是我的一段C#程序，供你参考。

alittleman(凡人)

public void GeneratePaginationBar()
{
this.pnlPageBar.Controls.Clear();
for(int i=1;i<6;i++)
{
System.Web.UI.WebControls.LinkButton lbtPage = new LinkButton();
lbtPage.ID=i.ToString();
lbtPage.CommandName="Page";
lbtPage.CommandArgument=i.ToString();
lbtPage.Text=i.ToString();
lbtPage.Enabled=true;
lbtPage.Command += new System.Web.UI.WebControls.CommandEventHandler(this.lbtPage_Click);
this.pnlPageBar.Controls.Add(lbtPage);
this.pnlPageBar.Controls.Add(new LiteralControl("<br>"));
}
}
private void lbtPage_Click(object sender, System.Web.UI.WebControls.CommandEventArgs e)
{

// BindData();
}

(#2934736@0)
Last Updated: 2006-4-28
This post has been archived. It cannot be replied.

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工作学习 / 专业技术讨论 / How to dynamic add some controls in .NET using C#? -graceye88(叶子); 2006-4-27 {179} (#2932253@0)
I tried using placeholder. The controls did dynamic added.However, it added side by side. I want to display them one under another. How can I do it? Anyone know?Thanks in advance.

使用PlaceHolder 和 Panel都行， Panel1.Controls.Add(new Label()); -binghongcha76(一只大猫); 2006-4-27 {138} (#2932316@0)
想控制位置首先声明一下Label

Label lb1 = new Label();
lb1.Text="this is my lable";
lb1.Style = ...... ;

Panel1.Controls.Add(lb1);

Thanks! I used PlaceHolder combined with Tablerow and TableCell so I can add controls in the way I like to display. -graceye88(叶子); 2006-4-28 (#2934088@0)

这是我的一段C#程序，供你参考。 -alittleman(凡人); 2006-4-28 {685} (#2934736@0)
public void GeneratePaginationBar()
{
this.pnlPageBar.Controls.Clear();
for(int i=1;i<6;i++)
{
System.Web.UI.WebControls.LinkButton lbtPage = new LinkButton();
lbtPage.ID=i.ToString();
lbtPage.CommandName="Page";
lbtPage.CommandArgument=i.ToString();
lbtPage.Text=i.ToString();
lbtPage.Enabled=true;
lbtPage.Command += new System.Web.UI.WebControls.CommandEventHandler(this.lbtPage_Click);
this.pnlPageBar.Controls.Add(lbtPage);
this.pnlPageBar.Controls.Add(new LiteralControl("<br>"));
}
}
private void lbtPage_Click(object sender, System.Web.UI.WebControls.CommandEventArgs e)
{

// BindData();
}

Thanks! By the way, how can i trigger an event on a dynamic generated control or get a value from it. -graceye88(叶子); 2006-4-28 (#2934886@0)

there is a set of link buttons on my program, their click event is .. -alittleman(凡人); 2006-4-28 {88} (#2935476@0)
private void lbtPage_Click(object sender, ystem.Web.UI.WebControls.CommandEventArgs e){}

I had a piece of code using similar techonolgy, but it doesn't work. Instead of the linkbutton, i created dropdownlist dynamicly. Can you help me to take a look why my code doesn't work. -graceye88(叶子); 2006-5-2 {2394} (#2942297@0)
本文发表在 rolia.net 枫下论坛for (int i = 0; i < ElementCount - 1; i++)
{
TableRow tr1 = new TableRow();

if (i < objProfiles.Profiles.get_Item(ref tempGlProfile).Elements.Count-1)
{
_Element = objProfiles.Profiles.get_Item(ref tempGlProfile).Elements.get_Item(ref tmpItem).Value;

Label label1 = new Label();
DropDownList DDL1 = new DropDownList();
ListBox ListBox1 = new ListBox();

label1.Text = _Element.Substring(6, _Element.Length - 6).Trim();
label1.Width = 100;

DDL1.Width = 300;
DDL1.Items.Add("Match Any Value");
DDL1.SelectedIndexChanged += new EventHandler(DDL1_SelectedIndexChanged);
Level = "0"+i;

DI.GetDictionaryLevelList(_YearPeriod.Substring(0, 4), 1 ,Level, Gl_Sec, Gl_Exclude,ref rsDI, ref _ErrorMsg);
if (!_ErrorMsg.Equals(""))
{

//put the error message into a label
}
else
{
if (rsDI.RecordCount != 0)
{
rsDI.MoveFirst();
while (rsDI.EOF == false)
{
DDL1.Items.Add(rsDI.Fields["DI_ACCT"].Value + " " + rsDI.Fields["DI_Desc"].Value);
rsDI.MoveNext();
}
}
DDL1.Text = DDL1.Items[0].Text;

}

TableCell tc1 = new TableCell();
tc1.Controls.Add(label1 );
tc1.Width = 150;
tr1.Cells.Add(tc1);

tc1 = new TableCell();
tc1.Controls.Add(DDL1);
tc1.Width = 300;
tr1.Cells.Add (tc1);
}
}

private void DDL1_SelectedIndexChanged(object sender, EventArgs e)
{
string SelectedElement = DDL1.SelectedItem.ToString ();
if (SelectedElement.Equals("Match Any Value"))
{
MyDynamicString += SelectedElement.Substring(0, 2);
}
}

The DDL1_SelectedIndexChanged never triggered. I don't know why.更多精彩文章及讨论，请光临枫下论坛 rolia.net

建议你先读一读有关书籍或相关网站,你的问题是比较普遍的. 我猜是ViewState的问题. 处理不好的话dynamic controls的viewstate可能在postback后就丢了.一个方法检查,就是在IE里view source,看有没有你的__doPostBack function. -leoxxll(leoxxll); 2006-5-2 {41} (#2942456@0)
建议你多Google. 比在这里问问题快得多. :-)
Sorry for later reply. you should call the dynamic function in both page load and post back. -alittleman(凡人); 2006-5-2 (#2942849@0)

Thanks!. Yes, I did that, it works fine now. -graceye88(叶子); 2006-5-2 (#2942926@0)

@Florida

这是我的一段C#程序，供你参考。

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