改进我的CodeSmith模板

说明：完善了基本数据验证的机制，目前可以根据数据库字段的设置，进行是否为空、输入值长度等基本判断。
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例子：
数据表

/**//****** 对象:  Table [dbo].[Department]    脚本日期: 03/01/2008 22:31:00 ******/

CREATE TABLE [dbo].[Department](
 [DepartmentAutoId] [int] IDENTITY(1,1) NOT NULL,
 [IsInEffect] [bit] NOT NULL DEFAULT ('false'),
 [DeptCode] [char](7) COLLATE Chinese_PRC_CI_AS NOT NULL DEFAULT ('0000000'),
 [DeptName] [varchar](50) COLLATE Chinese_PRC_CI_AS NOT NULL DEFAULT ('<未填入>'),
 [ClinicAttrCode] [char](1) COLLATE Chinese_PRC_CI_AS NOT NULL DEFAULT ('0'),
 [DeptOthierName] [varchar](50) COLLATE Chinese_PRC_CI_AS NOT NULL DEFAULT ('<未填入>'),
 CONSTRAINT [PK_DEPARTMENT] PRIMARY KEY NONCLUSTERED 
(
 [DepartmentAutoId] ASC
)WITH (PAD_INDEX  = OFF, IGNORE_DUP_KEY = OFF) ON [PRIMARY]
) ON [PRIMARY]

GO
SET ANSI_PADDING OFF
GO
EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'科室表自动编号' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'Department', @level2type=N'COLUMN',@level2name=N'DepartmentAutoId'
GO
EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'生效' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'Department', @level2type=N'COLUMN',@level2name=N'IsInEffect'
GO
EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'科别代码' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'Department', @level2type=N'COLUMN',@level2name=N'DeptCode'
GO
EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'科室名称' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'Department', @level2type=N'COLUMN',@level2name=N'DeptName'
GO
EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'科室属性代码' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'Department', @level2type=N'COLUMN',@level2name=N'ClinicAttrCode'
GO
EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'科室习惯名称' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'Department', @level2type=N'COLUMN',@level2name=N'DeptOthierName'
GO
EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'医院内设置的部门' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'Department'

根据以上数据表用模板生成了一个实体类

// =================================================================== 
// 项目说明
//====================================================================
// 江郎 @Copy Right 2006-2008
// 文件： Department.Generated.cs
// 项目名称：YcMRIS
// 创建时间：2008-03-01
// 负责人：江郎
// ===================================================================
using System;
namespace YcMRIS.Model
{
    /**//// <summary>
    ///Department数据实体
    ///本类代码由代码生成器自动生成不要轻易修改
    /// </summary>
    [Serializable]
    public partial class Department :ModelBase
    {
        变量定义#region 变量定义
        /**////<summary>
        ///科室表自动编号
        ///</summary>
        private int departmentAutoId = 0;
        /**////<summary>
        ///生效
        ///</summary>
        private bool isInEffect = false;
        /**////<summary>
        ///科别代码
        ///</summary>
        private string deptCode = "0000000";
        /**////<summary>
        ///科室名称
        ///</summary>
        private string deptName = "<未填入>";
        /**////<summary>
        ///科室属性代码
        ///</summary>
        private string clinicAttrCode = "0";
        /**////<summary>
        ///科室习惯名称
        ///</summary>
        private string deptOthierName = "<未填入>";
        
        /**////<summary>
        ///属性状态
        ///</summary>
        private EntityState entityData = EntityState.Added;
        
        #endregion
        
        构造函数#region 构造函数
        /**////<summary>
        ///医院内设置的部门
        ///</summary>
        public Department()
        {            
        }
        
        /**////<summary>
        ///医院内设置的部门
        ///</summary>
        public Department
        (
            int departmentAutoId,
            bool isInEffect,
            string deptCode,
            string deptName,
            string clinicAttrCode,
            string deptOthierName
        )
        {
            this.departmentAutoId = departmentAutoId;
            this.isInEffect       = isInEffect;
            this.deptCode         = deptCode;
            this.deptName         = deptName;
            this.clinicAttrCode   = clinicAttrCode;
            this.deptOthierName   = deptOthierName;
            
        }
        #endregion
        
        字段属性#region 字段属性
        
        /**////<summary>
        ///科室表自动编号
        ///</summary>
        ///[DataObjectField(DepartmentAutoId)]
        public int DepartmentAutoId
        {
            get {return departmentAutoId;}
            set 
            {
                if (DepartmentAutoIdValidate(value))
                {
                    departmentAutoId = value;
                    OnDepartmentAutoIdChanged(EventArgs.Empty);
                    if (this.EntityState == EntityState.Unchanged)
                    this.EntityState = EntityState.Changed;
                }
                else
                {
                    string error = string.Empty;
                    foreach (string e in this.Errors)
                    {
                        error = error + e;
                    }
                    throw new ArgumentException(error);
                }
                
            }
        }        

        /**////<summary>
        ///生效
        ///</summary>
        ///[DataObjectField(IsInEffect)]
        public bool IsInEffect
        {
            get {return isInEffect;}
            set 
            {
                if (IsInEffectValidate(value))
                {
                    isInEffect = value;
                    OnIsInEffectChanged(EventArgs.Empty);
                    if (this.EntityState == EntityState.Unchanged)
                    this.EntityState = EntityState.Changed;
                }
                else
                {
                    string error = string.Empty;
                    foreach (string e in this.Errors)
                    {
                        error = error + e;
                    }
                    throw new ArgumentException(error);
                }
                
            }
        }        

        /**////<summary>
        ///科别代码
        ///</summary>
        ///[DataObjectField(DeptCode)]
        public string DeptCode
        {
            get {return deptCode;}
            set 
            {
                if (DeptCodeValidate(value))
                {
                    deptCode = value;
                    OnDeptCodeChanged(EventArgs.Empty);
                    if (this.EntityState == EntityState.Unchanged)
                    this.EntityState = EntityState.Changed;
                }
                else
                {
                    string error = string.Empty;
                    foreach (string e in this.Errors)
                    {
                        error = error + e;
                    }
                    throw new ArgumentException(error);
                }
                
            }
        }        

        /**////<summary>
        ///科室名称
        ///</summary>
        ///[DataObjectField(DeptName)]
        public string DeptName
        {
            get {return deptName;}
            set 
            {
                if (DeptNameValidate(value))
                {
                    deptName = value;
                    OnDeptNameChanged(EventArgs.Empty);
                    if (this.EntityState == EntityState.Unchanged)
                    this.EntityState = EntityState.Changed;
                }
                else
                {
                    string error = string.Empty;
                    foreach (string e in this.Errors)
                    {
                        error = error + e;
                    }
                    throw new ArgumentException(error);
                }
                
            }
        }        

        /**////<summary>
        ///科室属性代码
        ///</summary>
        ///[DataObjectField(ClinicAttrCode)]
        public string ClinicAttrCode
        {
            get {return clinicAttrCode;}
            set 
            {
                if (ClinicAttrCodeValidate(value))
                {
                    clinicAttrCode = value;
                    OnClinicAttrCodeChanged(EventArgs.Empty);
                    if (this.EntityState == EntityState.Unchanged)
                    this.EntityState = EntityState.Changed;
                }
                else
                {
                    string error = string.Empty;
                    foreach (string e in this.Errors)
                    {
                        error = error + e;
                    }
                    throw new ArgumentException(error);
                }
                
            }
        }        

        /**////<summary>
        ///科室习惯名称
        ///</summary>
        ///[DataObjectField(DeptOthierName)]
        public string DeptOthierName
        {
            get {return deptOthierName;}
            set 
            {
                if (DeptOthierNameValidate(value))
                {
                    deptOthierName = value;
                    OnDeptOthierNameChanged(EventArgs.Empty);
                    if (this.EntityState == EntityState.Unchanged)
                    this.EntityState = EntityState.Changed;
                }
                else
                {
                    string error = string.Empty;
                    foreach (string e in this.Errors)
                    {
                        error = error + e;
                    }
                    throw new ArgumentException(error);
                }
                
            }
        }        
    
        #endregion
        
        功能属性#region 功能属性
        
        public override EntityState EntityState 
        { 
            get{ return entityData;     } 
            set{ entityData = value; } 
        }
    
        #endregion
        
        事件#region 事件
        
        /**////<summary>
        ///科室表自动编号
        ///</summary>
        
        public event EventHandler DepartmentAutoIdChanged;

        protected virtual void OnDepartmentAutoIdChanged(EventArgs e)
        {
            if (DepartmentAutoIdChanged != null) DepartmentAutoIdChanged(this, e);
        }        
        

        /**////<summary>
        ///生效
        ///</summary>
        
        public event EventHandler IsInEffectChanged;

        protected virtual void OnIsInEffectChanged(EventArgs e)
        {
            if (IsInEffectChanged != null) IsInEffectChanged(this, e);
        }        
        

        /**////<summary>
        ///科别代码
        ///</summary>
        
        public event EventHandler DeptCodeChanged;

        protected virtual void OnDeptCodeChanged(EventArgs e)
        {
            if (DeptCodeChanged != null) DeptCodeChanged(this, e);
        }        
        

        /**////<summary>
        ///科室名称
        ///</summary>
        
        public event EventHandler DeptNameChanged;

        protected virtual void OnDeptNameChanged(EventArgs e)
        {
            if (DeptNameChanged != null) DeptNameChanged(this, e);
        }        
        

        /**////<summary>
        ///科室属性代码
        ///</summary>
        
        public event EventHandler ClinicAttrCodeChanged;

        protected virtual void OnClinicAttrCodeChanged(EventArgs e)
        {
            if (ClinicAttrCodeChanged != null) ClinicAttrCodeChanged(this, e);
        }        
        

        /**////<summary>
        ///科室习惯名称
        ///</summary>
        
        public event EventHandler DeptOthierNameChanged;

        protected virtual void OnDeptOthierNameChanged(EventArgs e)
        {
            if (DeptOthierNameChanged != null) DeptOthierNameChanged(this, e);
        }        
        
    
        #endregion
        
        验证#region 验证
        
        /**////<summary>
        ///验证科室表自动编号
        ///</summary>        
        public bool DepartmentAutoIdValidate(object target)
        {
            int i = 0;
            this.Errors.Clear();
            if (!NotNullValidate(target ,"科室表自动编号" )) ++i; 
            if (i > 0)
            {
                return false;
            }
            else
            {
                return true;
            }        
        }

        /**////<summary>
        ///验证生效
        ///</summary>        
        public bool IsInEffectValidate(object target)
        {
            int i = 0;
            this.Errors.Clear();
            if (!NotNullValidate(target ,"生效" )) ++i; 
            if (i > 0)
            {
                return false;
            }
            else
            {
                return true;
            }        
        }

        /**////<summary>
        ///验证科别代码
        ///</summary>        
        public bool DeptCodeValidate(object target)
        {
            int i = 0;
            this.Errors.Clear();
            if (!NotNullValidate(target ,"科别代码" )) ++i; 
            if (!StringMaxLengthValidate(target ,"科别代码",7 )) ++i; 
            if (!StringRequiredValidate(target ,"科别代码" )) ++i; 
            if (i > 0)
            {
                return false;
            }
            else
            {
                return true;
            }        
        }

        /**////<summary>
        ///验证科室名称
        ///</summary>        
        public bool DeptNameValidate(object target)
        {
            int i = 0;
            this.Errors.Clear();
            if (!NotNullValidate(target ,"科室名称" )) ++i; 
            if (!StringMaxLengthValidate(target ,"科室名称",50 )) ++i; 
            if (!StringRequiredValidate(target ,"科室名称" )) ++i; 
            if (i > 0)
            {
                return false;
            }
            else
            {
                return true;
            }        
        }

        /**////<summary>
        ///验证科室属性代码
        ///</summary>        
        public bool ClinicAttrCodeValidate(object target)
        {
            int i = 0;
            this.Errors.Clear();
            if (!NotNullValidate(target ,"科室属性代码" )) ++i; 
            if (!StringMaxLengthValidate(target ,"科室属性代码",1 )) ++i; 
            if (!StringRequiredValidate(target ,"科室属性代码" )) ++i; 
            if (i > 0)
            {
                return false;
            }
            else
            {
                return true;
            }        
        }

        /**////<summary>
        ///验证科室习惯名称
        ///</summary>        
        public bool DeptOthierNameValidate(object target)
        {
            int i = 0;
            this.Errors.Clear();
            if (!NotNullValidate(target ,"科室习惯名称" )) ++i; 
            if (!StringMaxLengthValidate(target ,"科室习惯名称",50 )) ++i; 
            if (!StringRequiredValidate(target ,"科室习惯名称" )) ++i; 
            if (i > 0)
            {
                return false;
            }
            else
            {
                return true;
            }        
        }
    
        #endregion
        
        实现抽象类#region 实现抽象类

        public override bool Validate()
        {
            int i = 0;            
            if (!DepartmentAutoIdValidate(departmentAutoId)) ++i;                        
            if (!IsInEffectValidate(isInEffect)) ++i;                        
            if (!DeptCodeValidate(deptCode)) ++i;                        
            if (!DeptNameValidate(deptName)) ++i;                        
            if (!ClinicAttrCodeValidate(clinicAttrCode)) ++i;                        
            if (!DeptOthierNameValidate(deptOthierName)) ++i;                        
            if (i > 0)
            {
                this.IsValid = false;
                return false;
            }
            else
            {
                this.IsValid = true;
                return true;
            }    
        }

        #endregion
    }
}