ช่วยดูหน่อยครับ ปุ่มแก้ไขประเภทข้อมูลไม่ต้องกัน (มือใหม่ครับผม)

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.OleDb;


namespace ProjectRisk
{
    public partial class frmUpdate : Form
    {
        
        public frmUpdate()
        {
            InitializeComponent();
        }
            OleDbConnection con1;
            OleDbCommand cmd;
            OleDbDataAdapter adpt;
            DataSet s1 = new DataSet();
            string strCmd1;
       
        
        private void riskBindingNavigatorSaveItem_Click(object sender, EventArgs e)
        {
            this.Validate();
            this.riskBindingSource.EndEdit();
            this.tableAdapterManager.UpdateAll(this.rISK_DBDataSet);

        }

        private void Form5_Load(object sender, EventArgs e)
        {
            this.riskTableAdapter.Fill(this.rISK_DBDataSet.risk);
            // TODO: This line of code loads data into the 'rISK_DBDataSet.risk' table. You can move, or remove it, as needed.
           con1 = new OleDbConnection(@"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=D:\Project  Final\ProjectRisk\ProjectRisk\RISK_DB.accdb");
           con1.Open();
           
        }

        private void button1_Click(object sender, EventArgs e)
        {
           strCmd1 = "select * from risk where ID = '" + iDTextBox.Text + "'";
           cmd = new OleDbCommand(strCmd1, con1);
           adpt = new OleDbDataAdapter(cmd);

           adpt.Fill(s1, "a1");
           if (s1.Tables["a1"].Rows.Count != 0)
            {
                dATETIME_REDateTimePicker.Text = s1.Tables["a1"].Rows[0][1].ToString();
                dATETIME_ACDateTimePicker.Text = s1.Tables["a1"].Rows[0][2].ToString();
                rISK_DEFComboBox.Text = s1.Tables["a1"].Rows[0][3].ToString();
                sURNAMETextBox.Text = s1.Tables["a1"].Rows[0][4].ToString();
                lASTNAMETextBox.Text = s1.Tables["a1"].Rows[0][5].ToString();
                hNTextBox.Text = s1.Tables["a1"].Rows[0][6].ToString();
                lOCATIONTextBox.Text = s1.Tables["a1"].Rows[0][7].ToString();
                nAME_REPORTTextBox.Text = s1.Tables["a1"].Rows[0][8].ToString();
                rISK_TYPEComboBox.Text = s1.Tables["a1"].Rows[0][9].ToString();
                rISK_DETAILCheckedListBox.Text = s1.Tables["a1"].Rows[0][10].ToString();
                oRTHERTextBox.Text = s1.Tables["a1"].Rows[0][11].ToString();
            

            }
        
            s1.Tables["a1"].Clear();
            btnEdit.Visible = true;
            }

        private void button3_Click(object sender, EventArgs e)
        {
            strCmd1 = "update risk set DATETIME_RE='" + dATETIME_REDateTimePicker.Text + "',DATETIME_AC='" + dATETIME_ACDateTimePicker.Text + "',RISK_DEF='" + rISK_DEFComboBox.Text + "',SURNAME='" + sURNAMETextBox.Text + "', LASTNAME='" + lASTNAMETextBox.Text + "', HN='" + hNTextBox.Text + "',LOCATION='" + lOCATIONTextBox.Text + "',NAME_REPORT='" + nAME_REPORTTextBox.Text + "',RISK_TYPE='" + rISK_TYPEComboBox.Text + "',RISK_DETAIL='" + rISK_DETAILCheckedListBox.Text + "',ORTHER='" + oRTHERTextBox.Text + "'  Where ID = '" + iDTextBox.Text + "'";
            cmd = new OleDbCommand(strCmd1, con1);
            cmd.ExecuteNonQuery();
            MessageBox.Show("ได้ทำการแก้ไขข้อมูลอุบัติการ " + iDTextBox.Text + "เรียบร้อยแล้ว", "แก้ไขข้อมูล", MessageBoxButtons.OK, MessageBoxIcon.Information);

        }
    }
}