本文介绍了如何初始化数组datarow的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
嗨所有
i想要初始化数据行阵列但我不能
任何帮助都会有用
提前感谢
我的代码
hi to all
i want to intialize data row array but i cant
any help will be usefull
thanks in advance
my code
DataRow[] operationsOnAbcenceDataRow;
if (rowType == (int)RowType.Absence)
{
if (!hasNearStartPermission && !hasNearEndPermission)
operationsOnAbcenceDataRow = operationOnAbsenceItems.Select(" ID <> " + (int)OperationOnAbsenceType.ExtendNearStartPermission + " and ID <> " + (int)OperationOnAbsenceType.ExtendNearStartPermission);
else if (!hasNearStartPermission && hasNearEndPermission)
operationsOnAbcenceDataRow = operationOnAbsenceItems.Select(" ID <> " + (int)OperationOnAbsenceType.ExtendNearStartPermission);
else if (hasNearStartPermission && !hasNearEndPermission)
operationsOnAbcenceDataRow = operationOnAbsenceItems.Select(" ID <> " + (int)OperationOnAbsenceType.ExtendNearEndPermission);
}
if (operationsOnAbcenceDataRow.Length != 0)
{
operationOnAbsenceItems.Clear();
foreach (DataRow row in operationsOnAbcenceDataRow)
operationOnAbsenceItems.ImportRow(row);
}
我的问题是这行，因为operationsOnAbcenceDataRow不要initioalize我不能使用
operationsOnAbcenceDataRow.Length
my problem is this lines ,because operationsOnAbcenceDataRow dont initioalize i cant use
operationsOnAbcenceDataRow.Length
if (operationsOnAbcenceDataRow.Length != 0)
{
operationOnAbsenceItems.Clear();
foreach (DataRow row in operationsOnAbcenceDataRow)
operationOnAbsenceItems.ImportRow(row);
}推荐答案
if (operationsOnAbcenceDataRow != null && operationsOnAbcenceDataRow.Length != 0)
{
operationOnAbsenceItems.Clear();
foreach (DataRow row in operationsOnAbcenceDataRow)
operationOnAbsenceItems.ImportRow(row);
}
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