how to reset all controls after submitting the form

Create an method for Assign empty string in each control that you want to empty and call that method after submit button click

Hello,
Approach 1-
Step1:
Create the following function in aspx.cs

private void ClearControls(ControlCollection ctrls)
       {
           foreach (Control ctrl in ctrls)
           {
               if (ctrl is TextBox)
                   ((TextBox)ctrl).Text = string.Empty;
               else if (ctrl is DropDownList)
                   ((DropDownList)ctrl).ClearSelection();

               ClearControls(ctrl.Controls);
           }
       }

Step2: Call the ClearControls function in the Submit button click event like this

ClearControls(Page.Controls);

Approach2-

Use this code inside button click event:

Form.Controls.Clear();

Approach3-
Use this code inside button click event:

Page.Response.Redirect(Page.Request.Url.RawUrl)

Approach4-
Use this code to redirect to the same page

Response.Redirect(Request.Url.PathAndQuery, true);