void ShowRecipe()
{
SqlDataAdapter sda = new SqlDataAdapter("Select * from Recipes", con);
DataTable dt = new DataTable();
sda.Fill(dt);
GridViewU_R.DataSource = dt;
GridViewU_R.DataBind();
}
protected void GridViewU_R_RowEditing(object sender, GridViewEditEventArgs e)
{
GridViewU_R.EditIndex = e.NewEditIndex;
int index = e.NewEditIndex;
GridViewRow row = (GridViewRow)GridViewU_R.Rows[index];
Label recipeID = (Label)row.FindControl("LabelId");
RId = int.Parse(recipeID.Text.ToString());
SqlDataAdapter sda = new SqlDataAdapter("Select * from Recipes where Id='" + RId + "'", con);
DataTable dt = new DataTable();
sda.Fill(dt);
GridViewU_R.DataSource = dt;
GridViewU_R.DataBind();
}