asp.net实现批量删除实例_实用技巧_

 protected void btndeleteall_Click(object sender, EventArgs e) { string sqltext = "("; for (int i = 0; i < GridView1.Rows.Count; i++) { CheckBox chb = (CheckBox)GridView1.Rows[i].FindControl("id"); if (chb.Checked) { sqltext = sqltext + GridView1.DataKeys[i].Value.ToString() + ","; } } sqltext = sqltext.Substring(0, sqltext.Length - 1) + ")"; sqltext = "delete from shangpu where id in" + sqltext; string sqlcon = ConfigurationManager.AppSettings["ConnectionString"].ToString(); SqlConnection con = new SqlConnection(sqlcon); con.Open(); SqlCommand cmd = new SqlCommand(sqltext, con); try { int count = Convert.ToInt32(cmd.ExecuteNonQuery()); if (count > 0) { viewbind(); MessageBox.Show(this, "删除成功,共删除" + count + "条记录！"); } } catch { MessageBox.Show(this, "删除失败！"); } finally { con.Close(); con.Dispose(); } }