如何在drop change事件中从gridview获取行ID和值 [英] how to get row id and value of dropdown from gridview on drop change events
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问题描述
我使用存储过程绑定网格视图上的数据，gridview中有下拉（状态），当用户更改下拉列表（值将被更改）时，它将更新数据库。
问题：现在我如何使用j查询获取特定行和下拉值的id ..我想使用Ajax和web方法更新记录（客户要求）
I am binding data on grid view using the store procedure , there is drop-down(status ) inside the gridview , when the user the change the drop-down(value will be changed ) it will be updating the database ..
Problem: Now How i get the id of a particular row and drop-down value using j query .. I want to update the record using Ajax and web method(client requirement )
<asp:GridView ID="grd_Candidate" runat="server" AutoGenerateColumns="False" DataKeyNames="candidateid,email1" AllowPaging="True" AllowSorting="True">
<Columns>
<asp:TemplateField>
<HeaderTemplate>
<asp:CheckBox ID="chkSelectAll" runat="server" onclick="checkAllRow(this);" />
</HeaderTemplate>
<ItemTemplate>
<asp:CheckBox ID="chkSelectRow" runat="server" onclick="CheckRow(this);" />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<asp:ImageButton ID="imgView" runat="server" ImageUrl="~/images/viewIcon.png" OnClick="imgView_Click" />
<asp:ImageButton ID="ImageButton2" runat="server" OnClientClick="return confirm ('Are you sure you want to delete candidate?')" ImageUrl="~/images/trash_closed.png" CommandArgument='<%# Eval("candidateid") %>' />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Name" SortExpression="name">
<ItemTemplate>
<asp:Label ID="Label1" runat="server" Text='<%# Bind("name") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Views" SortExpression="views">
<ItemTemplate>
<asp:Label ID="Label2" runat="server" Text='<%# Bind("views") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Category" SortExpression="category">
<ItemTemplate>
<asp:Label ID="Label3" runat="server" Text='<%# Bind("category") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Status" SortExpression="status">
<ItemTemplate>
<asp:DropDownList ID="ddlStatus" runat="server" CssClass="select-optn-select" onchange="ddlChanged(this)">
<asp:ListItem Value="1" Text="Unsceened"></asp:ListItem>
<asp:ListItem Value="2" Text="Sceened"></asp:ListItem>
<asp:ListItem Value="3" Text="Rejected"></asp:ListItem>
<asp:ListItem Value="4" Text="Prospective Trainee"></asp:ListItem>
<asp:ListItem Value="5" Text="Selected for Training"></asp:ListItem>
<asp:ListItem Value="6" Text="In Training"></asp:ListItem>
<asp:ListItem Value="7" Text="Training Declined"></asp:ListItem>
<asp:ListItem Value="8" Text="Active Marketing"></asp:ListItem>
<asp:ListItem Value="9" Text="Passive Marketing"></asp:ListItem>
<asp:ListItem Value="10" Text="Placed"></asp:ListItem>
<asp:ListItem Value="11" Text="Unavailable"></asp:ListItem>
<asp:ListItem Value="12" Text="Archive"></asp:ListItem>
<asp:ListItem Value="13" Text="Future H1BFiled"></asp:ListItem>
<asp:ListItem Value="14" Text="Terminated"></asp:ListItem>
</asp:DropDownList>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Legal Status" SortExpression="legalstatus">
<ItemTemplate>
<asp:Label ID="Label5" runat="server" Text='<%# Bind("legalstatus") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Phone" SortExpression="work_phone">
<ItemTemplate>
<asp:Label ID="Label6" runat="server" Text='<%# Bind("work_phone") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Email" SortExpression="email1">
<ItemTemplate>
<asp:Label ID="Label7" runat="server" Text='<%# Bind("email1") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Created Date" SortExpression="createddate" HeaderStyle-Width="10px">
<ItemTemplate>
<asp:Label ID="Label8" runat="server" Text='<%# Bind("createddate","{0:dd/MM/yyyy}") %>'></asp:Label>
</ItemTemplate>
<HeaderStyle Width="10px"></HeaderStyle>
</asp:TemplateField>
<asp:TemplateField HeaderText="Owner" SortExpression="owner">
<ItemTemplate>
<asp:Label ID="Label9" runat="server" Text='<%# Bind("owner") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Assigned Marketting" SortExpression="assignedmarketing" HeaderStyle-Width="12px">
<ItemTemplate>
<asp:Label ID="Label10" runat="server" Text='<%# Bind("assignedmarketing") %>'></asp:Label>
</ItemTemplate>
<HeaderStyle Width="12px"></HeaderStyle>
</asp:TemplateField>
</Columns>
</asp:GridView>
function ddlChanged(ddl)
{
alert(89);
var ddlValue = $(ddl).val();
var tr = $(ddl).closest('tr');
}推荐答案
(ddl).val();
var tr =
(ddl).val(); var tr =
(ddl).closest('tr');
}
(ddl).closest('tr'); }
To get theIDthat is theDataKey, you can store that in aHiddenFieldand try to retrieve that in JavaScript/jQuery.
See one Example - Jquery to read DatakeyNames value of Selected Rows of GridView in Asp.Net[^].
To get theIDthat is theDataKey, you can store that in aHiddenFieldand try to retrieve that in JavaScript/jQuery.
See one Example - Jquery to read DatakeyNames value of Selected Rows of GridView in Asp.Net[^].
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