你写错了了 StrCnn->StrCnn1
StrCnn1 = "server=(local);user id=sa;pwd=sa;database=pubs"
strSql1 = "select NodeID, ParentName,childName from TreeNode2"
Cnn1 = New SqlClient.SqlConnection(StrCnn1)
StrCnn1 = "server=(local);user id=sa;pwd=sa;database=pubs"
strSql1 = "select NodeID, ParentName,childName from TreeNode2"
Cnn1 = New SqlClient.SqlConnection(StrCnn1)
解决方案 »
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