datedataset.designer.cs

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            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void SetgradeNull() {
                this[this.tablestudents.gradeColumn] = System.Convert.DBNull;
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public bool Is_classNull() {
                return this.IsNull(this.tablestudents.classColumn);
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void Set_classNull() {
                this[this.tablestudents.classColumn] = System.Convert.DBNull;
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public bool Ishome_addrNull() {
                return this.IsNull(this.tablestudents.home_addrColumn);
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void Sethome_addrNull() {
                this[this.tablestudents.home_addrColumn] = System.Convert.DBNull;
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public bool Isparent_nameNull() {
                return this.IsNull(this.tablestudents.parent_nameColumn);
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void Setparent_nameNull() {
                this[this.tablestudents.parent_nameColumn] = System.Convert.DBNull;
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public bool Ishome_phoneNull() {
                return this.IsNull(this.tablestudents.home_phoneColumn);
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void Sethome_phoneNull() {
                this[this.tablestudents.home_phoneColumn] = System.Convert.DBNull;
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public bool IsremarkNull() {
                return this.IsNull(this.tablestudents.remarkColumn);
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void SetremarkNull() {
                this[this.tablestudents.remarkColumn] = System.Convert.DBNull;
            }
        }
        
        [System.CodeDom.Compiler.GeneratedCodeAttribute("System.Data.Design.TypedDataSetGenerator", "2.0.0.0")]
        public partial class usersRow : System.Data.DataRow {
            
            private usersDataTable tableusers;
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            internal usersRow(System.Data.DataRowBuilder rb) : 
                    base(rb) {
                this.tableusers = ((usersDataTable)(this.Table));
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public int user_id {
                get {
                    return ((int)(this[this.tableusers.user_idColumn]));
                }
                set {
                    this[this.tableusers.user_idColumn] = value;
                }
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public string user_name {
                get {
                    try {
                        return ((string)(this[this.tableusers.user_nameColumn]));
                    }
                    catch (System.InvalidCastException e) {
                        throw new System.Data.StrongTypingException("表“users”中列“user_name”的值为 DBNull。", e);
                    }
                }
                set {
                    this[this.tableusers.user_nameColumn] = value;
                }
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public string Pwd {
                get {
                    try {
                        return ((string)(this[this.tableusers.PwdColumn]));
                    }
                    catch (System.InvalidCastException e) {
                        throw new System.Data.StrongTypingException("表“users”中列“Pwd”的值为 DBNull。", e);
                    }
                }
                set {
                    this[this.tableusers.PwdColumn] = value;
                }
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public string Email {
                get {
                    try {
                        return ((string)(this[this.tableusers.EmailColumn]));
                    }
                    catch (System.InvalidCastException e) {
                        throw new System.Data.StrongTypingException("表“users”中列“Email”的值为 DBNull。", e);
                    }
                }
                set {
                    this[this.tableusers.EmailColumn] = value;
                }
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public short purview_level {
                get {
                    try {
                        return ((short)(this[this.tableusers.purview_levelColumn]));
                    }
                    catch (System.InvalidCastException e) {
                        throw new System.Data.StrongTypingException("表“users”中列“purview_level”的值为 DBNull。", e);
                    }
                }
                set {
                    this[this.tableusers.purview_levelColumn] = value;
                }
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public bool Isuser_nameNull() {
                return this.IsNull(this.tableusers.user_nameColumn);
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void Setuser_nameNull() {
                this[this.tableusers.user_nameColumn] = System.Convert.DBNull;
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public bool IsPwdNull() {
                return this.IsNull(this.tableusers.PwdColumn);
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void SetPwdNull() {
                this[this.tableusers.PwdColumn] = System.Convert.DBNull;
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public bool IsEmailNull() {
                return this.IsNull(this.tableusers.EmailColumn);
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void SetEmailNull() {
                this[this.tableusers.EmailColumn] = System.Convert.DBNull;
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public bool Ispurview_levelNull() {
                return this.IsNull(this.tableusers.purview_levelColumn);
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public void Setpurview_levelNull() {
                this[this.tableusers.purview_levelColumn] = System.Convert.DBNull;
            }
        }
        
        [System.CodeDom.Compiler.GeneratedCodeAttribute("System.Data.Design.TypedDataSetGenerator", "2.0.0.0")]
        public class studentsRowChangeEvent : System.EventArgs {
            
            private studentsRow eventRow;
            
            private System.Data.DataRowAction eventAction;
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public studentsRowChangeEvent(studentsRow row, System.Data.DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public studentsRow Row {
                get {
                    return this.eventRow;
                }
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public System.Data.DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
        
        [System.CodeDom.Compiler.GeneratedCodeAttribute("System.Data.Design.TypedDataSetGenerator", "2.0.0.0")]
        public class usersRowChangeEvent : System.EventArgs {
            
            private usersRow eventRow;
            
            private System.Data.DataRowAction eventAction;
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public usersRowChangeEvent(usersRow row, System.Data.DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public usersRow Row {
                get {
                    return this.eventRow;
                }
            }
            
            [System.Diagnostics.DebuggerNonUserCodeAttribute()]
            public System.Data.DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
    }
}
namespace ASP.Date.dateDataSetTableAdapters {
    
    
    [System.CodeDom.Compiler.GeneratedCodeAttribute("System.Data.Design.TypedDataSetGenerator", "2.0.0.0")]
    [System.ComponentModel.DesignerCategoryAttribute("code")]
    [System.ComponentModel.ToolboxItem(true)]
    [System.ComponentModel.DataObjectAttribute(true)]
    [System.ComponentModel.DesignerAttribute("Microsoft.VSDesigner.DataSource.Design.TableAdapterDesigner, Microsoft.VSDesigner" +
        ", Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")]
    [System.ComponentModel.Design.HelpKeywordAttribute("vs.data.TableAdapter")]
    public partial class studentsTableAdapter : System.ComponentModel.Component {
        
        private System.Data.OleDb.OleDbDataAdapter _adapter;
        
        private System.Data.OleDb.OleDbConnection _connection;
        
        private System.Data.OleDb.OleDbCommand[] _commandCollection;
        
        private bool _clearBeforeFill;
        
        [System.Diagnostics.DebuggerNonUserCodeAttribute()]
        public studentsTableAdapter() {
            this.ClearBeforeFill = true;
        }
        
        [System.Diagnostics.DebuggerNonUserCodeAttribute()]
        private System.Data.OleDb.OleDbDataAdapter Adapter {
            get {
                if ((this._adapter == null)) {
                    this.InitAdapter();
                }
                return this._adapter;
            }
        }
        
        [System.Diagnostics.DebuggerNonUserCodeAttribute()]
        internal System.Data.OleDb.OleDbConnection Connection {
            get {
                if ((this._connection == null)) {
                    this.InitConnection();
                }
                return this._connection;
            }
            set {
                this._connection = value;
                if ((this.Adapter.InsertCommand != null)) {
                    this.Adapter.InsertCommand.Connection = value;
                }
                if ((this.Adapter.DeleteCommand != null)) {
                    this.Adapter.DeleteCom