我使用 jquery pager 将数据加载到我的 gridview 。现在我的 gridview 的每一行都有按钮。点击按钮时，我想得到第一列的 id 值，它是一个整数值。
<asp:HiddenField ID="hfId" runat="server" />
<asp:GridView ID="gvDetails" runat="server" AutoGenerateColumns="False"
BackColor="White" BorderColor="#3366CC" BorderStyle="None"
Font-Names="Century Gothic" Font-Size="XX-Small" DataKeyNames="id"
Width="100%" Style="margin-bottom: 0px" CssClass="grid">
<Columns>
<asp:TemplateField>
<ItemTemplate>
<asp:CheckBox ID="chkSelect" runat="server" />
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField DataField="id" HeaderText="id" />
<asp:BoundField DataField="pid" HeaderText="pid" />
<asp:BoundField DataField="description" HeaderText="Description" />
<asp:BoundField DataField="country" HeaderText="country" />
<asp:BoundField DataField="pack" HeaderText="pack" />
<asp:BoundField DataField="customer" HeaderText="customer" />
<asp:BoundField DataField="jobnumber" HeaderText="jobnumber" />
<asp:BoundField DataField="artworkdate" HeaderText="artworkdate" />
<asp:BoundField DataField="reprodate" HeaderText="reprodate" />
<asp:BoundField DataField="artworknumber" HeaderText="artworknumber" />
<asp:BoundField DataField="templateno" HeaderText="templateno" />
<asp:TemplateField>
<ItemTemplate>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<asp:Button Text="Edit" ID="lnkView1" runat="server" OnClick="Inkview_Click1" ForeColor="white" BackColor="#FF6600"/>
</ItemTemplate>
</asp:TemplateField>
</Columns>
<HeaderStyle BackColor="green" Font-Bold="True" ForeColor="#CCCCFF" />
<PagerStyle BackColor="#99CCCC" ForeColor="#003399" HorizontalAlign="Left" />
<RowStyle BackColor="White" ForeColor="#003399" />
<SelectedRowStyle BackColor="#009999" Font-Bold="True" ForeColor="#CCFF99" />
<SortedAscendingCellStyle BackColor="#EDF6F6" />
<SortedAscendingHeaderStyle BackColor="#0D4AC4" />
<SortedDescendingCellStyle BackColor="#D6DFDF" />
<SortedDescendingHeaderStyle BackColor="#002876" />
</asp:GridView>
<br />
<div class="Pager" style="width: 100%"></div>
///////////////////////////////////////////// /////////////
<script src="ASPSnippets_Pager.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function () {
GetCustomers(1);
});
$('body').on('click', '.Pager .page', function () {
GetCustomers(parseInt($(this).attr('page')));
});
$('body').on('click', '.view', function () {
$('[id*=hfId]').val($(this).closest('tr').find('td').eq(1).html());
});
var i = 0;
function GetCustomers(pageIndex) {
$.ajax({
type: "POST",
url: "Default22.aspx/GetCustomers",
data: '{pageIndex: ' + pageIndex + '}',
contentType: "application/json; charset=utf-8",
dataType: "json",
success: function (response) {
$('[id$=gvDetails]').prepend($("<thead></thead>").append($('[id$=gvDetails]').find("tr:first"))).DataTable().destroy();
var xmlDoc = $.parseXML(response.d);
var xml = $(xmlDoc);
var customers = xml.find("job");
var row = $("[id$=gvDetails] tbody tr:last-child").eq(0).clone(true);
$("[id$=gvDetails] tbody tr").not($("[id$=gvDetails] tbody tr:first-child")).remove();
$.each(customers, function () {
$("td", row).eq(1).html($(this).find("id").text());
$("td", row).eq(2).html($(this).find("pid").text());
$("td", row).eq(3).html($(this).find("description").text());
$("td", row).eq(4).html($(this).find("country").text());
$("td", row).eq(5).html($(this).find("pack").text());
$("td", row).eq(6).html($(this).find("customer").text());
$("td", row).eq(7).html($(this).find("jobnumber").text());
$("td", row).eq(8).html($(this).find("artworkdate").text());
$("td", row).eq(9).html($(this).find("reprodate").text());
$("td", row).eq(10).html($(this).find("artworknumber").text());
$("td", row).eq(11).html($(this).find("templateno").text());
$("[id$=gvDetails]").append(row);
row = $("[id$=gvDetails] tbody tr:last-child").eq(0).clone(true);
});
$("[id$=gvDetails] tbody tr:first-child").remove();
if (i != 0) {
$('[id$=gvDetails]').DataTable({
"paging": false,
"info": false
});
} else {
$('[id$=gvDetails]')
.prepend($("<thead></thead>").append($('[id$=gvDetails]').find("tr:first")))
.DataTable({
"paging": false,
"info": false
});
}
i++;
var pager = xml.find("Pager");
$(".Pager").ASPSnippets_Pager({
ActiveCssClass: "current",
PagerCssClass: "pager",
PageIndex: parseInt(pager.find("PageIndex").text()),
PageSize: parseInt(pager.find("PageSize").text()),
RecordCount: parseInt(pager.find("RecordCount").text())
});
},
failure: function (response) {
alert(response.responseText);
},
error: function (response) {
alert(response.responseText);
}
});
}
</script>
////////////////////////////////////////////////////////////////////////
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
BindDummyRow();
}
}
private void BindDummyRow()
{
DataTable dummy = new DataTable();
dummy.Columns.Add("id");
dummy.Columns.Add("pid");
dummy.Columns.Add("description");
dummy.Columns.Add("Country");
dummy.Columns.Add("pack");
dummy.Columns.Add("customer");
dummy.Columns.Add("jobnumber");
dummy.Columns.Add("artworkdate");
dummy.Columns.Add("reprodate");
dummy.Columns.Add("artworknumber");
dummy.Columns.Add("templateno");
dummy.Rows.Add();
gvDetails.DataSource = dummy;
gvDetails.DataBind();
//gvDetails.UseAccessibleHeader = true;
//gvDetails.HeaderRow.TableSection = TableRowSection.TableHeader;
}
[WebMethod]
public static string GetCustomers(int pageIndex)
{
string query = "[boj]";
SqlCommand cmd = new SqlCommand(query);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@PageIndex", pageIndex);
cmd.Parameters.AddWithValue("@PageSize", PageSize);
cmd.Parameters.Add("@RecordCount", SqlDbType.Int, 4).Direction = ParameterDirection.Output;
return GetData(cmd, pageIndex).GetXml();
}
private static DataSet GetData(SqlCommand cmd, int pageIndex)
{
string strConnString = ConfigurationManager.ConnectionStrings["conString"].ConnectionString;
using (SqlConnection con = new SqlConnection(strConnString))
{
using (SqlDataAdapter sda = new SqlDataAdapter())
{
cmd.Connection = con;
sda.SelectCommand = cmd;
using (DataSet ds = new DataSet())
{
sda.Fill(ds, "job");
DataTable dt = new DataTable("Pager");
dt.Columns.Add("PageIndex");
dt.Columns.Add("PageSize");
dt.Columns.Add("RecordCount");
dt.Rows.Add();
dt.Rows[0]["PageIndex"] = pageIndex;
dt.Rows[0]["PageSize"] = PageSize;
dt.Rows[0]["RecordCount"] = cmd.Parameters["@RecordCount"].Value;
ds.Tables.Add(dt);
return ds;
}
}
}
}
protected void Inkview_Click(object sender, EventArgs e)
{
int id = Convert.ToInt32(((Button)sender).CommandArgument);
Session["DatakeyValue"] = id;
SqlConnection con = new SqlConnection("data source=NERE\\SQLEXPRESS01; Initial Catalog=kaging;Integrated Security=True;");
SqlCommand cm = new SqlCommand();
cm.Connection = con;
con.Open();
cm.CommandType = CommandType.Text;
cm.CommandText = "SELECT pid FROM job WHERE id=@id'";
cm.Parameters.AddWithValue("@id", Session["DatakeyValue"]);
Label1.Text = Convert.ToString(cm.ExecuteScalar());
con.Close();
}
//////////////////////////////////////
This is the stored procedure i used(boj).
CREATE PROCEDURE [dbo].[boj]
@PageIndex INT = 1
,@PageSize INT = 15
,@RecordCount INT OUTPUT
AS
BEGIN
SET NOCOUNT ON;
SELECT ROW_NUMBER() OVER
(
ORDER BY [id] ASC
)AS RowNumber
,[id]
,[pid]
,[description]
,[country]
,[pack]
,[customer]
,[jobnumber]
,[artworkdate]
,[reprodate]
,[artworknumber]
,[templateno]
INTO #Results
FROM [job]
SELECT @RecordCount = COUNT(*)
FROM #Results
SELECT * FROM #Results
WHERE RowNumber BETWEEN(@PageIndex -1) * @PageSize + 1 AND(((@PageIndex -1) * @PageSize + 1) + @PageSize) - 1
DROP TABLE #Results
END
GO
///////////////////////////////////////////// /
我尝试了以下，同样的错误 - 输入字符串的格式不正确。
Int32.Parse(hiddenfield.value).
Convert.ToInt32(hiddenfield.value)
请帮忙
答案 0 :(得分：0)
有一种更简单的方法可以从 GridView 控件中获取您的“id”。
当您绑定数据时。您可以使用 Eval 函数将 ItemTemplate 中 Button 控件的 CommandArgument 设置为记录的“id”。
<asp:TemplateField>
<ItemTemplate>
<asp:Button Text="View" ID="Inkview" runat="server" OnClick="Inkview_Click" CommandArgument='<%# Eval("id") %>' ForeColor="white" BackColor="#FF6600" />
</ItemTemplate>
</asp:TemplateField>
通过这种方式，您可以省去使用 HiddenField 控件并尝试设置它。
然后您可以更新 InkView_Click 事件以从 CommandArgument 中提取“id”：
protected void Inkview_Click(object sender, EventArgs e)
{
int id = Convert.ToInt32(((Button)sender).CommandArgument);
Session["DatakeyValue"] = id;
SqlConnection con = new SqlConnection("data source=NERE\\SQLEXPRESS01; Initial Catalog=kaging;Integrated Security=True;");
SqlCommand cm = new SqlCommand();
cm.Connection = con;
con.Open();
cm.CommandType = CommandType.Text;
cm.CommandText = "SELECT pid FROM job WHERE id=@id'";
cm.Parameters.AddWithValue("@id", Session["DatakeyValue"]);
Label1.Text = Convert.ToString(cm.ExecuteScalar());
con.Close();
}