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SqlMapper.ITypeHandler.cs
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29 lines (27 loc) · 1.03 KB
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using System;
using System.Data;
namespace Dapper
{
public static partial class SqlMapper
{
/// <summary>
/// Implement this interface to perform custom type-based parameter handling and value parsing
/// </summary>
public interface ITypeHandler
{
/// <summary>
/// Assign the value of a parameter before a command executes
/// </summary>
/// <param name="parameter">The parameter to configure</param>
/// <param name="value">Parameter value</param>
void SetValue(IDbDataParameter parameter, object value);
/// <summary>
/// Parse a database value back to a typed value
/// </summary>
/// <param name="value">The value from the database</param>
/// <param name="destinationType">The type to parse to</param>
/// <returns>The typed value</returns>
object? Parse(Type destinationType, object value);
}
}
}