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POhow to retrieve the updated data from the gridbox and update it in the database
 

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  1. POhow to retrieve the updated data from the gridbox and update it in the database
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    <p>My Code actually returns the data which it has previously got from database but am unable to get the updated data from the gridcontrol. </p> <p>This is my Default.aspx where designing has been done of gridview.</p> <pre><code> &lt;asp:Content ID="HeaderContent" runat="server" ContentPlaceHolderID="HeadContent"&gt; &lt;/asp:Content&gt; &lt;asp:Content ID="BodyContent" runat="server" ContentPlaceHolderID="MainContent"&gt; &lt;asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" onrowupdating="GridView1_RowUpdating" onrowediting="GridView1_RowEditing" onrowupdated="GridView1_RowUpdated" onrowcommand="GridView1_RowCommand"&gt; &lt;Columns&gt; &lt;asp:CommandField ShowEditButton="true" ShowDeleteButton="true" ShowInsertButton="true" /&gt; &lt;asp:TemplateField HeaderText="Id" SortExpression="Id"&gt; &lt;ItemTemplate&gt; &lt;asp:Label ID="lbl_Id" Text='&lt;%# Bind("id")%&gt;' runat="server"&gt; &lt;/asp:Label&gt; &lt;/ItemTemplate&gt; &lt;/asp:TemplateField&gt; &lt;asp:TemplateField HeaderText="Name" SortExpression="Name"&gt; &lt;ItemTemplate&gt; &lt;asp:Label ID="lbl_name" Text='&lt;%# Bind("Name")%&gt;' runat="server"&gt;&lt;/asp:Label&gt; &lt;/ItemTemplate&gt; &lt;EditItemTemplate&gt; &lt;asp:TextBox ID="txt_name" Text='&lt;%# Bind("Name")%&gt;' runat="server"&gt;&lt;/asp:TextBox&gt; &lt;/EditItemTemplate&gt; &lt;/asp:TemplateField&gt; &lt;asp:TemplateField HeaderText="Address" SortExpression="address"&gt; &lt;ItemTemplate&gt; &lt;asp:Label ID="lbl_address" Text='&lt;%# Bind("address")%&gt;' runat="server"&gt;&lt;/asp:Label&gt; &lt;/ItemTemplate&gt; &lt;EditItemTemplate&gt; &lt;asp:TextBox ID="txt_address" Text='&lt;%# Bind("address")%&gt;' runat="server"&gt;&lt;/asp:TextBox&gt; &lt;/EditItemTemplate&gt; &lt;/asp:TemplateField&gt; &lt;/Columns&gt; &lt;/asp:GridView&gt; &lt;asp:Label ID="lbl_msg" runat="server"&gt;&lt;/asp:Label&gt; &lt;/asp:Content&gt; My.cs File </code></pre> <p>My Code is row updating method in the below class. I have used entity framework as a method for having manipulations in the data base.</p> <pre><code> using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using DatabaseModel; public partial class _Default : System.Web.UI.Page { DatabaseEntities obj; protected void Page_Load(object sender, EventArgs e) { obj = new DatabaseEntities(); GridView1.DataSource = obj.Records.ToList(); GridView1.DataBind(); } string data; protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e) { } protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e) { GridViewRow row = GridView1.Rows[e.RowIndex]; TextBox name = row.FindControl("txt_name") as TextBox; TextBox address = row.FindControl("txt_address") as TextBox; Label id = row.FindControl("lbl_Id") as Label; int no = int.Parse(id.Text); Record rec = obj.Records.First(x =&gt; x.Id == no); rec.Name = name.Text; rec.Address = address.Text; obj.SaveChanges(); data = name.Text; lbl_msg.Text = name.Text; } protected void GridView1_RowUpdated(object sender, GridViewUpdatedEventArgs e) { } protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e) { } } </code></pre>
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    1. USDarin Dimitrov
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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