[英]asp.net C# passing value from gridview to texbox on button click
I have a simple gridview with button for each row, and I want to pass or display the value of user_full_name_ar in a label, I tried doing this using javascript function as shown below but it doesn't show the data it shows null,我有一个简单的网格视图,每行都有一个按钮,我想在标签中传递或显示 user_full_name_ar 的值,我尝试使用如下所示的 javascript 函数执行此操作,但它没有显示它显示为空的数据,
gridview code:网格视图代码:
<asp:Label ID="Label5" Text='transfer text here' runat ="server" />
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="user_name" DataSourceID="SqlDataSource1" Height="100px" Width="383px">
<Columns>
<asp:BoundField DataField="user_name" HeaderText="user_name" ReadOnly="True" SortExpression="user_name" />
<asp:BoundField DataField="user_full_name_ar" HeaderText="user_full_name_ar" SortExpression="user_full_name_ar" />
<asp:TemplateField HeaderText="user_full_name_ar" SortExpression="user_full_name_ar">
<ItemTemplate>
<asp:Label ID="Label4" Text='<%# Session["lang"].ToString() == "en"? Eval("user_full_name_en") : Eval("user_full_name_ar") %>' runat ="server" />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<asp:Button ID="ButtonSearch" runat="server" text="select" OnClientClick ="txt();" CommandArgument ='<%# Bind("user_name") %>' />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
javascript function to display value of label4 in gridview to label5 outside gridview :将 gridview 中 label4 的值显示到 gridview 外的 label5 的 javascript 函数:
<script type ="text/javascript" >
function txt() {
var t = document.getElementById("Label4");
document.getElementById("Label5") = t.value;
}
</script>
you can use a CommandField in gridview您可以在 gridview 中使用 CommandField
<asp:Label ID="Label5" Text='transfer text here' runat ="server" />
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="user_name" DataSourceID="SqlDataSource1" Height="100px" Width="383px">
<Columns>
<asp:CommandField HeaderText="select" SelectText="select " ShowSelectButton="True">
</asp:CommandField>
<asp:BoundField DataField="user_name" HeaderText="user_name" ReadOnly="True" SortExpression="user_name" />
<asp:BoundField DataField="user_full_name_ar" HeaderText="user_full_name_ar" SortExpression="user_full_name_ar" />
<asp:TemplateField HeaderText="user_full_name_ar" SortExpression="user_full_name_ar">
<ItemTemplate>
<asp:Label ID="Label4" Text='<%# Session["lang"].ToString() == "en"? Eval("user_full_name_en") : Eval("user_full_name_ar") %>' runat ="server" />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<asp:Button ID="ButtonSearch" runat="server" text="select" OnClientClick ="txt();" CommandArgument ='<%# Bind("user_name") %>' />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
after in selectedindexchenge event write code below在 selectedindexchenge 事件之后写下面的代码
Label5.Text = GridView1.SelectedRow.Cells[2].Text;
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