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我从数据库抓取一些记录,具体取决于页面的ID号,将显示的记录数量会有所不同,任何地方都会将1条记录改为50条。我需要记录这些记录,然后选择哪些是我将要修改,删除或根本不会改变的。我想它看起来像这样:在SelectedIndex上启用文本框更改
无法获取的图像与计算器图片上传所以在这里显示:https://dl.dropboxusercontent.com/u/9446763/code/dropdownlist.jpg
我想的文本字段如果没有选择更改或删除被禁用,而如果选择了修改选项,则启用这些字段以进行修改。
以下是我到目前为止,我正在努力的部分是选定的索引更改我不知道如何对其进行编码,以便在下拉框中选择“修改”时,将启用相应的文本框。
ASPX页面
<asp:PlaceHolder ID="PlaceHolder1" runat="server"></asp:PlaceHolder>
CS页
private void createControls()
{
var id = Request.Params["ID"];
System.Data.OleDb.OleDbConnection pcn;
System.Data.OleDb.OleDbCommand pcm;
System.Data.OleDb.OleDbDataReader prs;
pcn = new System.Data.OleDb.OleDbConnection("");
pcm = new System.Data.OleDb.OleDbCommand();
pcn.Open();
pcm.Connection = pcn;
var tableSql = @"select * FROM grouplist where ptid = '" + id + "'";
pcm.CommandText = tableSql;
prs = pcm.ExecuteReader();
var rowcount = 0;
while (prs.Read())
{
rowcount++;
PlaceHolder1.Controls.Add(new Literal() { Text = "<div class='row'><div class='span3'>" });
TextBox tx = new TextBox();
tx.ID = "txtData" + rowcount.ToString();
tx.Text = prs["name"].ToString().Trim();
tx.Width = 200;
tx.CssClass = "span2";
tx.Enabled = false;
PlaceHolder1.Controls.Add(tx);
PlaceHolder1.Controls.Add(new Literal() { Text = "</div><div class='span2'>" });
TextBox txa = new TextBox();
txa.ID = "amtData" + rowcount.ToString();
txa.Text = prs["amt"].ToString();
txa.CssClass = "span2";
txa.Enabled = false;
PlaceHolder1.Controls.Add(txa);
PlaceHolder1.Controls.Add(new Literal() { Text = "</div><div class='span3'>" });
DropDownList ddl = new DropDownList();
ddl.Items.Add("No Change");
ddl.Items.Add("Modify");
ddl.Items.Add("Remove");
ddl.Width = 200;
ddl.CssClass = "span2";
ddl.SelectedIndexChanged += new EventHandler(ddl_SelectedIndexChanged);
ddl.AutoPostBack = true;
ddl.ID = "ddlData" + rowcount.ToString();
PlaceHolder1.Controls.Add(ddl);
PlaceHolder1.Controls.Add(new Literal() { Text = "</div></div>" });
}
prs.Close();
}
void ddl_SelectedIndexChanged(object sender, EventArgs e)
{
}
为什么不使用'GridView'或'Repeater'? – Logar314159
我对此很陌生,所以我想我将不得不检查那些以前从未使用过它们的东西。 – techora