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将list转换为datatable

时间:2019-11-21 10:19:50      阅读:54      评论:0      收藏:0      [点我收藏+]

标签:specified   public   ems   flag   data   eof   gty   ISE   ||   

/// <summary>
/// 将list转换为datatable
/// </summary>
public static DataTable ToDataTable<T>(List<T> items)
{
var tb = new DataTable(typeof(T).Name);

PropertyInfo[] props = typeof(T).GetProperties(BindingFlags.Public | BindingFlags.Instance);

foreach (PropertyInfo prop in props)
{
Type t = GetCoreType(prop.PropertyType);
tb.Columns.Add(prop.Name, t);
}

foreach (T item in items)
{
var values = new object[props.Length];

for (int i = 0; i < props.Length; i++)
{
values[i] = props[i].GetValue(item, null);
}

tb.Rows.Add(values);
}

return tb;
}

/// <summary>
/// Determine of specified type is nullable
/// </summary>
public static bool IsNullable(Type t)
{
return !t.IsValueType || (t.IsGenericType && t.GetGenericTypeDefinition() == typeof(Nullable<>));
}

/// <summary>
/// Return underlying type if type is Nullable otherwise return the type
/// </summary>
public static Type GetCoreType(Type t)
{
if (t != null && IsNullable(t))
{
if (!t.IsValueType)
{
return t;
}
else
{
return Nullable.GetUnderlyingType(t);
}
}
else
{
return t;
}
}

将list转换为datatable

标签:specified   public   ems   flag   data   eof   gty   ISE   ||   

原文地址:https://www.cnblogs.com/xiaoyunpeng/p/11903464.html

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