Class DbConnectionOriginalExtension
Inheritance
System.Object
DbConnectionOriginalExtension
Inherited Members
System.Object.ToString()
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
Namespace: Mellivora
Assembly: cs.temp.dll.dll
Syntax
public static class DbConnectionOriginalExtensionMethods
ExecuteNonQuery(IDbConnection, String)
通过ExecuteNonQuery方式来操作数据
Declaration
public static int ExecuteNonQuery(this IDbConnection connection, string commandText)Parameters
| Type | Name | Description |
|---|---|---|
| IDbConnection | connection | 对IDbConnection扩展 |
| System.String | commandText | SQL语句 |
Returns
| Type | Description |
|---|---|
| System.Int32 | 影响行数 |
ExecuteScalar(IDbConnection, String)
通过ExecuteScalar方式来操作数据
Declaration
public static object ExecuteScalar(this IDbConnection connection, string commandText)Parameters
| Type | Name | Description |
|---|---|---|
| IDbConnection | connection | 对IDbConnection扩展 |
| System.String | commandText | SQL语句 |
Returns
| Type | Description |
|---|---|
| System.Object | 数据库返回结果 |
ExecuteScalar<T>(IDbConnection, String)
通过ExecuteScalar方式来操作数据
Declaration
public static T ExecuteScalar<T>(this IDbConnection connection, string commandText)Parameters
| Type | Name | Description |
|---|---|---|
| IDbConnection | connection | 对IDbConnection扩展 |
| System.String | commandText | SQL语句 |
Returns
| Type | Description |
|---|---|
| T | 数据库返回结果 |
Type Parameters
| Name | Description |
|---|---|
| T | 返回类型 |
GetCollection<T>(IDbConnection, String)
执行Sql语句并返回结果
Declaration
public static IEnumerable<T> GetCollection<T>(this IDbConnection connection, string commandText)Parameters
| Type | Name | Description |
|---|---|---|
| IDbConnection | connection | 对IDbConnection进行扩展 |
| System.String | commandText | Sql语句 |
Returns
| Type | Description |
|---|---|
| System.Collections.Generic.IEnumerable<T> | 结果集 |
Type Parameters
| Name | Description |
|---|---|
| T | 返回类型 |
GetCollection<T>(IDbConnection, String, Int32, Int32)
执行Sql语句并返回结果
Declaration
public static IEnumerable<T> GetCollection<T>(this IDbConnection connection, string commandText, int startField, int length)Parameters
| Type | Name | Description |
|---|---|---|
| IDbConnection | connection | 对IDbConnection进行扩展 |
| System.String | commandText | Sql语句 |
| System.Int32 | startField | reader起始列 |
| System.Int32 | length | 从起始列继续向后查询列的个数 |
Returns
| Type | Description |
|---|---|
| System.Collections.Generic.IEnumerable<T> | 结果集 |
Type Parameters
| Name | Description |
|---|---|
| T | 返回类型 |