关于索引值超出了数组界限的问题！

private void btnSearch_Click(object sender, EventArgs e)
        {
            try
            {
                dsFkxx = new DataSet();
                string strWhere = "";                if (this.cmbGrzt.SelectedValue.ToString().Trim() != "00")
                {
                    strWhere = "AND " + "ZT='" + cmbGrzt.SelectedValue.ToString().Trim() + "'";
                }                if (this.cmbZhlx.SelectedValue.ToString().Trim() != "00")
                {
                    strWhere =strWhere +  "AND " + "ZJLX='" + cmbZhlx.SelectedValue.ToString().Trim() + "'";
                }                if (this.txtKhh.Text.ToString().Trim() != "")
                {
                    strWhere =strWhere +  "AND " + "KHH='" + txtKhh.Text.ToString().Trim() + "'";
                }                if (this.txtZgxm.Text.ToString().Trim() != "")
                {
                    strWhere = strWhere + "AND " + "XM='" + txtZgxm.Text.ToString().Trim() + "'";
                }                if (this.txtZjhm.Text.ToString().Trim() != "")
                {
                    strWhere = strWhere + "AND " + "ZJHM='" + txtZjhm.Text.ToString().Trim() + "'";
                }
                ////////////////////////////////
                dsFkxx = dbTool.GetGrxxbySql(strWhere);                dsFkxx.Tables[0].Columns.Add("YJCE", typeof(System.String));　　//月缴存额
                dsFkxx.Tables[0].Columns.Add("YJJCBL", typeof(System.String));　　//月缴存额
                dsFkxx.Tables[0].Columns.Add("ZJXZMC", typeof(System.String));　　
                foreach (DataRow drow in dsFkxx.Tables[0].Rows)
                {
                    decimal decJcbl = decimal.Parse(drow["DWBL"].ToString().Trim());
                    decimal decJfjs = decimal.Parse(drow["JFJS"].ToString().Trim());                    if (drow["ZT"].ToString().Trim() == "1")
                    {
                        drow["ZT"] = "正常";
                    }
                    else
                    {
                        drow["ZT"] = "停缴";
                    }
                    drow["ZJXZMC"] = global.dsZhlx.Tables[0].Select("DM='" + drow["ZJLX"].ToString().Trim() + "'")[0]["MC"].ToString().Trim();
//这里会报错提示索引超出了数组界限
                    decimal decYjce = decJcbl * decJfjs;
                    drow["YJCE"] = decYjce.ToString("0");
                    if (drow["ZJLX"].ToString().Trim() == "11")
                    {
                        drow["YJCE"] = drow["YJCE"].ToString().Trim();
                    }
                    else
                    ｛
            drow["YJCE"] = Convert.ToString(decimal.Parse(drow["YJCE"].ToString().Trim()) * 2);
                    }
                    decimal decYjjcbl = decimal.Parse(drow["DWBL"].ToString().Trim()) * 100;
                    drow["YJJCBL"] = decYjjcbl.ToString("0");                }                //重新绑定数据绑定数据
                this.dgList.DataSource = dsFkxx.Tables[0];
                pmonthmoney = 0;
                ppeoplecount = 0;
                for (int i = 0; i < dsFkxx.Tables[0].Rows.Count; i++)
                {
                    pmonthmoney = pmonthmoney + double.Parse(dsFkxx.Tables[0].Rows[i]["YJCE"].ToString());
                }
                ppeoplecount = dsFkxx.Tables[0].Rows.Count;
                benyeinfor.Text = "缴存人数:" + ppeoplecount.ToString() + "\n\n月缴存额:" + pmonthmoney.ToString("F2");
                benyeinfor.Visible = true;
                benye.Visible = true;                CurrencyManager cm = (CurrencyManager)this.BindingContext[this.dgList.DataSource, this.dgList.DataMember];
                ((DataView)cm.List).AllowNew = false;
                if (dsFkxx.Tables[0].Rows.Count == 0)
                {
                    MessageBox.Show("没有符合查询条件的记录！");
                }
       }
     catch (MsgException ex)
  {
 MessageBox.Show(ex.MsgDes, "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
     }
 }看看上面错在哪里求解！！