如何在此查询中使用回滚...

问题描述

public void savegrid()
        {
            if (con.State == ConnectionState.Closed)
            {
                con.Open();
            }
            StringBuilder query = new StringBuilder("delete from PITBROK  ");
            query.AppendFormat("where    ");
            for (int i = 0; i < checkedListBox1.CheckedItems.Count; i++)
            {
                int coun = checkedListBox1.CheckedItems.Count;
                coun = coun - 1;
                string val;
                if (checkedListBox1.CheckedItems.Count > 0)
                {
                    DataRow row;
                    row = ((DataRowView)this.checkedListBox1.CheckedItems[i]).Row;
                    val = (row[this.checkedListBox1.ValueMember]).ToString();
                    row = null;

                    query.AppendFormat("PITBROK.AC_CODE='{0}' ", val.ToString());

                    if (i < coun)
                    {
                        query.AppendFormat(" or ");
                    }


                }

            }

            if (checkedListBox3.CheckedItems.Count > 0)
            {
                query.Append("AND ");
            }
            for (int k = 0; k < checkedListBox3.CheckedItems.Count; k++)
            {
                int coun1 = checkedListBox3.CheckedItems.Count;
                coun1 = coun1 - 1;
                query.AppendFormat("PITBROK.ITEMCODE='{0}'", checkedListBox3.CheckedItems[k]);
                if (k < coun1)
                {
                    query.Append("or ");
                }

            }

            query.Append(" and compcode='" + Compcls.Gcomp_cd + "' ");

            string sql = query.ToString();


           SqlCommand cmd = new SqlCommand(sql, con);
           cmd.ExecuteNonQuery();

           for (int a = 0; a < dataGridView1.Rows.Count - 1; a++)
           {
                string item11 = dataGridView1[0, a].Value.ToString();
                string broktype11 = dataGridView1[1, a].Value.ToString();
                string brokrate11 = dataGridView1[2, a].Value.ToString();
                string tranrate = dataGridView1[3, a].Value.ToString();
                string trantype11 = dataGridView1[4, a].Value.ToString();
                //string setdate11 = dataGridView1[5, a].Value.ToString();
                DateTime t = Convert.ToDateTime(dataGridView1[5, a].Value.ToString());
               
               
                string z = t.Date.ToString("dd/MM/yyyy");

                string martype11 = dataGridView1[6, a].Value.ToString();
                string marrate11 = dataGridView1[7, a].Value.ToString();
                SqlCommand cmd1 = new SqlCommand("select AC_codefrom accountm where name ='" + dataGridView1[8, a].Value.ToString() + "'and compcode='" + Compcls.Gcomp_cd + "' ", con);
                string ACcode = Convert.ToString(cmd.ExecuteScalar());
                cmd.CommandText = ("insert into PITBROK (COMPCODE,ITEMCODE, BROKTYPE,BROKRATE,TRANRATE,TranType,uptostdt,MARTYPE,MARRATE,AC_CODE) values('" + Compcls.Gcomp_cd + "','" + item11 + "','" +broktype11 + "','"+brokrate11+"','"+tranrate+"','"+trantype11+"','"+z+"','"+martype11+"','"+marrate11+"','"+ACcode+"') ");
                cmd.ExecuteNonQuery();
                MessageBox.Show("done");
               // toolTip1.IsBalloon = true;
                //toolTip1.ToolTipIcon = ToolTipIcon.Info;
                //toolTip1.ToolTipTitle = "Success";
                //toolTip1.Show("Record Saved", panel3, 0, 0, 1000);
            }
       
        }

谢谢Advanced

thanks in advanced

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