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C# code:

protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
string adname = ((TextBox)GridView1.Rows[e.RowIndex].Cells[0].Controls[0]).Text.ToString();
string adcode = ((TextBox)GridView1.Rows[e.RowIndex].Cells[1].Controls[0]).Text.ToString();
GridViewRow row = gridview1.Rows[e.RowIndex];
string filepath = HttpContext.Current.Server.MapPath(@"/XML/AD.xml");
DataSet ds = new DataSet();
ds.ReadXml(filepath);
DataRow dr = ds.Tables[0].Rows[row.DataItemIndex];
dr["title"] = adname;
dr["code"] = adcode;
ds.WriteXml(filepath);
GridView1.DataSourceID = "XmlDataSource1";
GridView1.DataBind();
}



GridViewRow row = gridview1.Rows[e.RowIndex];
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GridViewRow row = GridView1.Rows[e.RowIndex];


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e.Cancel = true;


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XML code:

<?xml version="1.0" encoding="utf-8"? ......

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