Show update Bootstrap Modal PopUp on Save Button click after records are saved in Database

I am creating a Web Application from scratch in which I am using Bootstrap. I am new in Bootstrap. This is the first time I am using it.

I want to show bootstrap Modal pop up, on click of "Save" Button, i.e., When I click on save button, the insert query execute, and after data gets inserted into the database, a bootstrap modal pop shall appear with Text Information as "Records Saved successfully"

Below is the code I am using to achieve my requirement.

C# Code:

protected void btnSave_Click(object sender, EventArgs e)
        {
            SqlConnectionClass saveData = new SqlConnectionClass();
            saveData.commandExec("INSERT INTO [Block](Code, Description, EntityStatus, CreatedAt)"
            + "VALUES('" + txtCode.Text.Trim() + "','" + txtDesc.Text.Trim() + "','" + txtEntityStatus.Text.Trim() + "','" + DateTime.Now.ToShortTimeString() + "' )");

            //ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "none","<script>$('#myModal').modal('show');</script>", false);
        } 

HTML:

<div class="row" style="margin-top:20px;">
   <div class="col-lg-12">
      <div class="col-lg-6" style="margin-bottom:20px;">
          <asp:Button ID="btnSave" runat="server" Text="Save Template" class="btn save" OnClick="btnSave_Click" data-toggle="modal" data-target="#myModal"/>
          <asp:Button ID="btnCancel" runat="server" Text="Cancel" class="btn btn-default" OnClick="btnCancel_Click"/>
      </div>
   </div>
</div>

<%--Modal Pop up--%>
    
    <div class="row">
        <div class="col-lg-12">
            <%--<button type="button" class="btn btn-info btn-lg" data-toggle="modal" data-target="#myModal">Open Modal</button>--%>

            <!-- Modal -->
            <div id="myModal" class="modal fade" role="dialog">
              <div class="modal-dialog">

                <!-- Modal content-->
                <div class="modal-content">
                  <div class="modal-header">
                    <button type="button" class="close" data-dismiss="modal">&times;</button>
                    <h4 class="modal-title">Information</h4>
                  </div>
                  <div class="modal-body">
                     <p>Records Saved Successfully.</p>
                  </div>
                  <div class="modal-footer">
                    <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
                  </div>
                </div>

              </div>
            </div>
        </div>
    </div>

NOTE: Please let me know how to control the Text Information inside modal pop up based on my Query. For instance: 1. If I am Inserting records in Database, then the msg shall display as "Records saved successfully" inside Modal Text. 2. If I am Deleting records from Database, then the msg shall display as "Records deleted successfully" inside Modal Text. 3. If I am Updating records from Database, then the msg shall display as "Records updated successfully" inside Modal Text.

Please help me how to achieve it.

Thanks in advance.