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StudentsInfo/ST_addstudent.aspx.cs,打开代码结构图
StudentsInfo/ST_addstudent.aspx.cs,打开代码结构图1using System; 2
using System.Collections; 3
using System.ComponentModel; 4
using System.Data; 5
using System.Data.SqlClient; 6
using System.Drawing; 7
using System.Web; 8
using System.Web.SessionState; 9
using System.Web.UI; 10
using System.Web.UI.WebControls; 11
using System.Web.UI.HtmlControls; 12
using System.Configuration; 13
14
namespace STGROUP 15
{ 16
/// <summary> 17
/// ST_addstudent 的摘要说明。 18
/// </summary> 19
public class ST_addstudent : System.Web.UI.Page 20
{ 21
protected System.Web.UI.WebControls.TextBox st_tbx_id; 22
protected System.Web.UI.WebControls.TextBox st_tbx_name; 23
protected System.Web.UI.WebControls.TextBox st_tbx_nation; 24
protected System.Web.UI.WebControls.TextBox st_tbx_birthst_day; 25
protected System.Web.UI.WebControls.TextBox st_tbx_time; 26
protected System.Web.UI.WebControls.TextBox st_tbx_home; 27
protected System.Web.UI.WebControls.TextBox st_tbx_else; 28
protected System.Web.UI.WebControls.DropDownList st_ddl_sex; 29
protected System.Web.UI.WebControls.Button st_btn_ok; 30
protected System.Web.UI.WebControls.CustomValidator st_cv_id; 31
protected System.Web.UI.WebControls.Label st_lbl_note; 32
protected System.Web.UI.WebControls.Button st_btn_reset; 33
protected System.Web.UI.WebControls.RequiredFieldValidator st_rfv_name; 34
protected System.Web.UI.WebControls.RequiredFieldValidator st_rfv_id; 35
protected System.Web.UI.WebControls.RequiredFieldValidator st_rfv_nation; 36
protected System.Web.UI.WebControls.RequiredFieldValidator st_rfv_birthst_day; 37
protected System.Web.UI.WebControls.RequiredFieldValidator st_rfv_time; 38
protected System.Web.UI.WebControls.RequiredFieldValidator st_rfv_class; 39
protected System.Web.UI.WebControls.RequiredFieldValidator st_rfv_home; 40
protected System.Web.UI.WebControls.DropDownList st_ddl_class; 41
SqlConnection st_conn; 42
private void Page_Load(object sender, System.EventArgs e) 43
{//班级名称下拉列表框绑定 44
string st_connstr= ConfigurationSettings.AppSettings["st_dbconn"]; 45
SqlConnection st_conn1=new SqlConnection(st_connstr); 46
if(!IsPostBack) 47
{ 48
st_conn1.Open (); 49
//查询所有的班级名称 50
string mysql="select * from ST_class"; 51
SqlCommand st_comm1=new SqlCommand (mysql,st_conn1); 52
SqlDataReader st_dr1=st_comm1.ExecuteReader (); 53
//将查出的班级作为下拉列表的数据项 54
while(st_dr1.Read ()) 55
{ 56
st_ddl_class.Items .Add (new ListItem(st_dr1["ST_Class_name"].ToString() ,st_dr1["ST_Class_id"].ToString()) ); 57
} 58
st_conn1.Close (); 59
} 60
// 在此处放置用户代码以初始化页面 61
st_conn=new SqlConnection(st_connstr); 62
} 63
64
Web Form Designer generated code 86
87
private void st_btn_ok_Click(object sender, System.EventArgs e) 88
{ 89
SqlCommand st_comm=new SqlCommand("insert_student_1",st_conn); 90
st_comm.CommandType=CommandType.StoredProcedure; 91
try 92
{ 93
st_comm.Parameters.Add(new SqlParameter("@Student_id",SqlDbType.VarChar,50)); 94
st_comm.Parameters["@Student_id"].Value=st_tbx_id.Text; 95
st_comm.Parameters.Add(new SqlParameter("@Student_name",SqlDbType.VarChar,50)); 96
st_comm.Parameters["@Student_name"].Value=st_tbx_name.Text; 97
st_comm.Parameters.Add(new SqlParameter("@Student_sex",SqlDbType.Char,10)); 98
st_comm.Parameters["@Student_sex"].Value=st_ddl_sex.SelectedItem.Value; 99
st_comm.Parameters.Add(new SqlParameter("@Student_nation",SqlDbType.Char,10)); 100
st_comm.Parameters["@Student_nation"].Value=st_tbx_nation.Text; 101
st_comm.Parameters.Add(new SqlParameter("@Student_birthday",SqlDbType.DateTime,8)); 102
st_comm.Parameters["@Student_birthday"].Value=st_tbx_birthst_day.Text; 103
st_comm.Parameters.Add(new SqlParameter("@Student_time",SqlDbType.DateTime,8)); 104
st_comm.Parameters["@Student_time"].Value=st_tbx_time.Text; 105
st_comm.Parameters.Add(new SqlParameter("@Student_classid",SqlDbType.VarChar,50)); 106
st_comm.Parameters["@Student_classid"].Value=st_ddl_class.SelectedItem.Value; 107
st_comm.Parameters.Add(new SqlParameter("@Student_home",SqlDbType.VarChar,50)); 108
st_comm.Parameters["@Student_home"].Value=st_tbx_home.Text; 109
st_comm.Parameters.Add(new SqlParameter("@Student_else",SqlDbType.VarChar,50)); 110
st_comm.Parameters["@Student_else"].Value=st_tbx_else.Text; 111
st_comm.Connection.Open(); 112
st_comm.ExecuteNonQuery(); 113
st_comm.Connection.Close(); 114
st_insert(); 115
} 116
catch 117
{ 118
st_lbl_note.Text="添加失败,请检查输入!"; 119
st_lbl_note.Style["color"]="red"; 120
} 121
122
} 123
public void st_insert() 124
{ 125
string strsl="insert into ST_users(ST_User_id,ST_User_password,ST_User_power) values(@User_id,@User_pwd,0)"; 126
SqlCommand st_comm=new SqlCommand(strsl,st_conn); 127
st_comm.Parameters.Add(new SqlParameter("@User_id",SqlDbType.VarChar,50)); 128
st_comm.Parameters["@User_id"].Value=st_tbx_id.Text; 129
st_comm.Parameters.Add(new SqlParameter("@User_pwd",SqlDbType.VarChar,50)); 130
st_comm.Parameters["@User_pwd"].Value=st_tbx_id.Text; 131
st_comm.Connection.Open(); 132
try 133
{ 134
st_comm.ExecuteNonQuery(); 135
Response.Redirect("ST_student.aspx"); 136
} 137
catch(SqlException) 138
{ 139
st_lbl_note.Text="添加失败"; 140
st_lbl_note.Style["color"]="red"; 141
} 142
st_comm.Connection.Close(); 143
} 144
145
private void st_btn_reset_Click(object sender, System.EventArgs e) 146
{ 147
Response.Redirect("ST_addstudent.aspx"); 148
} 149
//验证所填的学生id是否已经存在 150
protected void st_cv_id_ServerValidate(object source, System.Web.UI.WebControls.ServerValidateEventArgs args) 151
{ 152
//获得数据库连接字符串 153
string st_connstr= ConfigurationSettings.AppSettings["st_dbconn"]; 154
//建立连接 155
st_conn=new SqlConnection(st_connstr); 156
//打开连接 157
st_conn.Open(); 158
//创建命令字符串 159
SqlCommand st_comm=new SqlCommand("select_student_1",st_conn); 160
//指定为调用存储过程 161
st_comm.CommandType=CommandType.StoredProcedure; 162
//添加参数 163
st_comm.Parameters.Add("@Student_id",SqlDbType.VarChar,50); 164
st_comm.Parameters["@Student_id"].Value=st_tbx_id.Text; 165
//生成结果集 166
SqlDataReader st_dr=st_comm.ExecuteReader(); 167
//存在性判断,返回结果 168
if(st_dr.Read()) 169
{ 170
args.IsValid=false; 171
} 172
else 173
{ 174
args.IsValid=true; 175
} 176
//关闭连接 177
st_conn.Close(); 178
} 179
180
} 181
} 182





}