选择省份、选择省市区举例【c#】【js】

            
                
            
            
                
                
                
                

                    

	                    

                            Province
                            
                        
                        

                            City
                            
                        
                    
                
            
            
        
 
	
	
	
 if (Convert.ToInt32(lblID.Text) > 0)
	lbl332city.Text= Convert.ToString(data.Rows[0][1]);
	}
	 protected void btnSubmit_Click(object sender, EventArgs e)
        {
	lbl332city.Text = tbcity.Text;
            if (CheckInput())
            {
			//addinfo/update
			
			//use：
			tbcity.Text
			}
	
	}
	 private bool CheckInput()
        {
            bool Result = true;

	    if (tbcity.Text=="") {
                lblMessage.Text = "请选择城市";
                Result = false;
            }
            return Result;
        }